plz help ASAP please please ​

By estimating the Q-function directly using Q-learning and updating it based on observed samples, we bypass the need to explicitly estimate the transition and reward functions. This approach allows us to learn the optimal policy without prior knowledge of the underlying dynamics of the MDP.

In Q-learning, the Q-function estimates the expected cumulative reward for taking a particular action in a given state. It is updated iteratively based on the agent's experiences. In this scenario, although we do not know the transition and reward functions, we can still use Q-learning to directly estimate the Q-function.

We initialize the Q-values arbitrarily for each state-action pair. Then, the agent interacts with the environment, taking actions and observing the resulting states and rewards. With these samples, we update the Q-values using the Q-learning update rule:

Q(s, a) = Q(s, a) + α [r + γ max(Q(s', a')) - Q(s, a)]

Here, Q(s, a) represents the Q-value for state s and action a, r is the observed reward, s' is the next state, α is the learning rate, and γ is the discount factor.

We repeat this process, updating the Q-values after each interaction, until convergence or a predetermined number of iterations. The Q-values will eventually converge to their optimal values, indicating the optimal action to take in each state.

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Answer:

d

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

Answer:

C =13.68

Step-by-step explanation:

Subtract 29.00 to 15.32

Hope this helps! :)

Answer:

-51

Step-by-step explanation:

b-7c

fill your varibles in

(-2)-7(7)

pemdas multiply first

-2-49

-51

Answer:

115:345:460

Step-by-step explanation:

Answer:

Points of intersection should be included within the feasible region (the solution set) of a system of nonlinear inequalities when the boundary lines that create the point are solid. A dashed line indicates that the points are not included in the solution set. Therefore, if one boundary line is dashed and one is solid, the point of intersection will not be included within the feasible region.

Step-by-step explanation:

Points of intersection should be included within the feasible region of nonlinear inequalities when the boundary lines that create the point are solid.

This is defined as an expression in which the sides are not equal to each other.

The presence of boundary lines which have dashed and solid ones, the point of intersection will not be included within the feasible region.

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Answer:

It is D

Step-by-step explanation:

Answer:

20

Step-by-step explanation:

a c will have the same angle as b d

Answer:

42 degrees & 138 degrees.

Step-by-step explanation:

By definition, "SUPPLEMENTARY ANGLES ADD UP TO 180 DEGREES."

That being said you can solve for the missing angle (or really just subtract 138 from 180).

180-138 = 42

9514 1404 393

Answer:

  A.  {1, 7, 11}

Step-by-step explanation:

The constant in the equation is 1, so that is the value when x=0. No answer choice can be correct unless it includes the value 1. The only viable choice is A.

_____

If you want to go to the trouble to evaluate the expression for the different values of x, you can. It often works well to rewrite the expression to "Horner form":

  (2x -1)x +1

For x = -2, this is (2(-2) -1)(-2) +1 = (-5)(-2) +1 = 11

For x = 0, this is 1

For x = 2, this is (2(2) -1)(2) +1 = (3)(2) +1 = 7

So, the range for the given domain is {1, 7, 11} . . . . . matches choice A

By solving a linear equation, it can be calculated that

Time for which new machine prints = 64 minutes

What is linear equation?

Equation shows the equality between two algebraic expressions by connecting the two algebraic expressions by an equal to sign.

A one degree equation is known as linear equation.

For the new machine

The line passes through (0, 0) and (6, 75)

Slope = \(\frac{75 - 0}{6-0}\) = 12.5

Equation of line for new machine

y - 0 = 12.5(x - 0)

y = 12.5x

Equation of line for old machine

y = 9x

Now,

During the 14 minutes, the number of pages printed = 12.50 \(\times\) 14 = 175

Number of pages printed earlier = 1250 - 175 = 1050

By the problem,

12x + 9x = 1050

21x = 1050

x = \(\frac{1050}{21}\)

x = 50

Time for which new machine prints = 50 + 14 = 64 minutes

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Answer:

Step-by-step explanation:

5a.) It starts with two at time one and increases by one each time

5b.) x+1

6.) Formula: (2/3)(x-1)+1, the fifth term would be (2/3)*(5-1)+1= 11/3

7a.) I will leave you to make the table. n+2 is wrong because it's increasing by 2 blocks each time

7b.) 2n+1

8a.) x²

8b.) just draw a 6x6

8c.) 12²=144

the equation with these solutions is:

0 = x^2 - 6x + 6

Remember that a quadratic equation with the solutions a and b is written as:

0 = (x - a)*(x - b)

Here we have the solutions:

Then we can write a quadratic equation of the form:

0 = (x - (3 + √3) )*(x - (3 - √3) )

0 = (x - 3 - √3)*(x - 3 + √3)

Expanding that, we get:

0 = x^2 - 6x + 9 - 3

0 = x^2 - 6x + 6

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Answer:

the slope is stepper and the line is shifted up

Answer:

B is the only one i know, sorry.

Step-by-step explanation:

Hope this helped

Answer:

40

Step-by-step explanation:

3(-4)^2 + 2(-4)

3(16) - 8

48-8

40

Out of the 500 people surveyed, we would expect approximately 155 of them to consider reading books or surfing the Internet as the best entertainment value.

To calculate the expected number of people who considered reading books or surfing the Internet as the best entertainment value out of the 500 surveyed, we need to calculate the percentage corresponding to reading books and surfing the Internet.

The percentage for reading books is 22% and the percentage for surfing the Internet is 9%. To find the combined percentage, we add these two percentages:

22% + 9% = 31%

Now, we can calculate the expected number by multiplying the combined percentage by the total number of people surveyed:

Expected number = 31% of 500 = (31/100) * 500 = 155

The complete question is:

Out of 500 people surveyed, how many would you expect considered reading books or surfing the Internet as the best entertainment value?

Best Entertainment Value

Type of Entertainment               Percent

Playing Interactive Games            48

Reading Books                              22

Renting Movies                              10

Going to Movie Theaters               10

Surfing the Internet                          9

Watching Television                         1

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Answer:

the answer is 6

Step-by-step explanation:

if u look 2.5 gives u 3 so 5 would give u 6

The equation of the line that passes through the points (-8, 9) and (2, -6) is y = (-3 / 2)x - 3.Given two points (-8, 9) and (2, -6). We are supposed to find the equation of the line that passes through these two points.

We can find the equation of a line that passes through two given points, using the slope-intercept form of the equation of a line. The slope-intercept form of the equation of a line is given by, y = mx + b,Where m is the slope of the line and b is the y-intercept.To find the slope of the line passing through the given points, we can use the slope formula: m = (y2 - y1) / (x2 - x1).Here, x1 = -8, y1 = 9, x2 = 2 and y2 = -6.

Hence, we can substitute these values to find the slope.m = (-6 - 9) / (2 - (-8))m = (-6 - 9) / (2 + 8)m = -15 / 10m = -3 / 2Hence, the slope of the line passing through the points (-8, 9) and (2, -6) is -3 / 2.

Now, using the point-slope form of the equation of a line, we can find the equation of the line that passes through the point (-8, 9) and has a slope of -3 / 2.

The point-slope form of the equation of a line is given by,y - y1 = m(x - x1)Here, x1 = -8, y1 = 9 and m = -3 / 2.

Hence, we can substitute these values to find the equation of the line.y - 9 = (-3 / 2)(x - (-8))y - 9 = (-3 / 2)(x + 8)y - 9 = (-3 / 2)x - 12y = (-3 / 2)x - 12 + 9y = (-3 / 2)x - 3.

Therefore, the equation of the line that passes through the points (-8, 9) and (2, -6) is y = (-3 / 2)x - 3. Thus, the answer is (-3/2)x - 3.

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The equation 3+7+2=+2 is actually not true, but false.

The equation 3+7+2=+2 is actually not true, but false. This is because the sum of 3, 7, and 2 is 12, not 2.

In general, an equation is considered true if the expressions on both sides of the equal sign are equivalent in value. In this case, the expressions on the left-hand side (3+7+2) and the right-hand side (+2) are not equivalent, and therefore the equation is false.

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Answer:

We conclude that the 12x is the required expression that is equivalent to 7x + 4x + x and has only one term.

Step-by-step explanation:

Given the expression

\(7x+4x+x\)

The current expression has three terms such as 7x, 4x, and x.

The current expression can be further simplified such as

\(7x+4x+x\)

Add similar elements:  \(7x+4x+x=12x\)

\(=12x\)

Thus, the given expression \(7x+4x+x\) can be expressed as the only one term such as \(12x\).

i.e. \(7x+4x+x=12x\)

Therefore, we conclude that the 12x is the required expression that is equivalent to 7x + 4x + x and has only one term.

The probability that the mean run time for the 40 runners is between 141 and 143 minutes is approximately 0.4394

Probability is the measure of the likelihood of an event occurring, expressed as a number between 0 and 1.

Mean is a measure of central tendency that represents the average value of a set of numbers.

According to the given information :

Using the Central Limit Theorem, we know that the sample mean follows a normal distribution with a mean of 142 and standard deviation of 8/√40 = 1.2649. To find the probability that X is between 141 and 143, we standardize the values:

z1 = (141 - 142) / 1.2649 = -0.7925

z2 = (143 - 142) / 1.2649 = 0.7925

Using a standard normal table or calculator, we can find the area between -0.7925 and 0.7925 to be 0.4394. Therefore, the probability that the mean run time for the 40 runners is between 141 and 143 minutes is approximately 0.4394.

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Answer:

3 weeks

Step-by-step explanation:

<333333

Answer:

True

Step-by-step explanation:

When displaying any sort of data, it is important to make the table or chart as easy to understand and read as possible without compromising the data. In this case, it is simpler to understand the pie chart if we use as few slices as possible that still makes sense for displaying the data set.

The volume of given triangular prism is 24,000 cubic yards.

Volume is the measure of the capacity that an object holds.

Formula to find the volume of the object is Volume = Area of a base × Height.

Here, the dimensions of base are 30 yards and 20 yards.

Here, area = 1/2×30×20

= 300 yd²

Volume of a triangular prism = Area of base triangle × Length of the prism.

= 300×80

= 24,000 yd³

Therefore, the volume is 24,000 yd³.

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Answer:

His conjecture is not logical.

Step-by-step explanation:

If he sold a car to a couple above 30, how did he think only younger people bought cars? He is not logical.

If we have a large collection of apples with a normal distribution of weights with a mean of 9 ounces and a standard deviation of 2 ounces, we can expect that about 34.13% of the apples will weigh between 9 and 11 ounces.

To find the percentage of apples that can be expected to weigh between 9 and 11 ounces, we need to find the area under the normal distribution curve between these two values.

First, we need to standardize the values by subtracting the mean and dividing by the standard deviation:

z1 = (9 - 9) / 2 = 0
z2 = (11 - 9) / 2 = 1

Next, we can use a standard normal distribution table or calculator to find the area under the curve between z1 and z2. This area represents the percentage of apples that can be expected to weigh between 9 and 11 ounces.

Using a standard normal distribution table, we can find that the area between z = 0 and z = 1 is 0.3413. This means that approximately 34.13% of the apples can be expected to weigh between 9 and 11 ounces.

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First, we'll find the line of intersection of the two planes given:x + y - z = 1 --- (1)3x + y + z = 3 --- (2)Subtracting (1) from (2), we get:2x = 2 => x = 1

Putting x = 1 in (1)

we get: y - z = 0 => y = z

Putting x = 1 in (2),

we get:y + z = 0 => y = -z

So, the line of intersection of the two planes is:

x = 1,

y = t,

z = -t Now, we'll find the line of intersection of the two planes given:

2x - y + 2z = 4 ---

2x + 2y + z = 1 --Adding (4) and (5),

we get:4x + y + 3z = 5 --- (6)

Putting

z = t, we get:

4x + y = 5 - 3t => y = -4x + 5 - 3t

Putting

y = -4x + 5 - 3t in (6),

we get:4x - 4x + 5 - 3t + 3t = 5 => 0 = 0

Hence, the two planes (4) and (5) are parallel. The line of intersection of two parallel planes is the empty set, which means there is no intersection.So, there is no interaction of the line of intersection of the planes

x + y - z = 1 and

3x + y + z = 3 with the line of intersection of the planes

2x - y + 2z = 4 and

2x + 2y + z = 1.

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Observational studies have their merits in certain scenarios, when determining the relationship between two variables, randomized experiments are generally preferred for their ability to establish causal links.

Conducting a randomized experiment is often preferable to an observational study when determining the relationship between two variables. This preference arises due to several reasons that provide stronger evidence for causality and help address potential confounding factors. To illustrate this, let's consider an example involving the effects of a new medication on depression.

In a randomized experiment, researchers can randomly assign participants into two groups: a treatment group that receives the new medication and a control group that receives a placebo or standard treatment. By randomizing the assignment, the researchers ensure that any differences between the groups are due to chance, rather than preexisting characteristics. This randomization helps create comparable groups, reducing the potential for confounding variables.

In contrast, an observational study involves observing individuals as they naturally fall into groups based on their exposure to a variable. In our example, researchers might observe individuals who self-select into taking the new medication or those who choose not to take it. The problem with observational studies is that individuals in different groups may have preexisting differences, making it difficult to attribute any observed effects solely to the medication. Confounding variables, such as underlying health conditions, lifestyle factors, or socioeconomic status, can impact the outcomes and confound the results.

Randomized experiments allow researchers to control and manipulate the independent variable (in this case, the medication) while keeping other factors constant. This control enables them to draw stronger causal conclusions about the relationship between the variables. By comparing the outcomes of the treatment group with the control group, any differences can be more confidently attributed to the medication's effects.

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