statistics and probabilities
Assume that T has a t-distribution with 8 degrees of freedom. Find the following
probabilities.
(a) P (T ≤ 2.896)
(b) P (T ≤ −1.860)
(c) The value of a such that P (−a<T <a) = 0.99
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Use the calculator provided to solve the following problems. • Consider a t distribution with 28...
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Use the calculator provided to solve the following problems. • Consider a t distribution with 18...
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Use the calculator provided to solve the following problems. • Consider at distribution with 24 degrees...
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Name 1. This problem is designed to test your skill in using the Tables in the...
Name 1. This problem is designed to test your skill in using the Tables in the Appendix to find probabilities and cutoffs. (Drawing a picture is highly recommended.) (a) Suppose that the random variable B follows a Binomial distribution with no 9 and p = .70, find P(B = 6). (b) Suppose that the random variable z follows the Standard Normal probability distribution, find P(Z 2 -1.27). (C) Suppose that the random variable T follows at distribution with degrees of...
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2. Random variable Z has the standard normal distribution. Find the following probabilities a): P[Z > 2] b) : P[0.67 <z c): P[Z > -1.32] d): P(Z > 1.96] e): P[-1 <Z <2] : P[-2.4 < Z < -1.2] g): P[Z-0.5) 3. Random variable 2 has the standard normal distribution. Find the values from the following probabilities. a): P[Z > 2) - 0.431 b): P[:<] -0.121 c): P[Z > 2] = 0.978 d): P[2] > 2] -0.001 e): P[- <Z...
Use the calculator provided to solve the following problems. . Consider at distribution with 18 degrees...
Use the calculator provided to solve the following problems. . Consider at distribution with 18 degrees of freedom. Compute Pt-1.67). Round your answer to at least three decimal places • Considerat distribution with 22 degrees of freedom. Find the value of places. such that P(-c< <C) = 0.99. Round your answer to at least three decimal P(15-1.67) - 1 Sove For Later S A 2009 MEG A
Determine the t-value in each of the cases. Click the icon to view the table of...
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Determine the t-value in each of the cases. Click the icon to view the table of...
Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. (a) Find the t-value such that the area in the right tail is 0.15 with 30 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.025 with 16 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area...
Use the calculator provided to solve the following problems. • Consider a t distribution with 28 degrees of freedom. Compute P(t>-1.24). Round your answer to at least three decimal places. • Consider a t distribution with 7 degrees of freedom. Find the value of c such that P(-c<t<c)=0.99. Round your answer to at least three decimal places. P(t2 - 1.24) = 0 c = 1 xs ?
Use the calculator provided to solve the following problems. • Consider a t distribution with 18 degrees of freedom. Compute Pt-1.11). Round your answer to at least three decimal places. • Consider a t distribution with 3 degrees of freedom. Find the value of c such that P(-c<t<c) = 0.99. Round your answer to at least three decimal places. Plts -1.11) = 0 c= 1 xs ?
Use the calculator provided to solve the following problems. • Consider at distribution with 24 degrees of freedom. Compute P(132.00). Round your answer to at least three decimal places. • Consider at distribution with 22 degrees of freedom. Find the value of c such that P(-c<t<c)=0.99. Round your answer to at least three decimal places. Pts 2.00) = 0 5 ? ce
Name 1. This problem is designed to test your skill in using the Tables in the Appendix to find probabilities and cutoffs. (Drawing a picture is highly recommended.) (a) Suppose that the random variable B follows a Binomial distribution with no 9 and p = .70, find P(B = 6). (b) Suppose that the random variable z follows the Standard Normal probability distribution, find P(Z 2 -1.27). (C) Suppose that the random variable T follows at distribution with degrees of...
2. Random variable Z has the standard normal distribution. Find the following probabilities a): P[Z > 2] b) : P[0.67 <z c): P[Z > -1.32] d): P(Z > 1.96] e): P[-1 <Z <2] : P[-2.4 < Z < -1.2] g): P[Z-0.5) 3. Random variable 2 has the standard normal distribution. Find the values from the following probabilities. a): P[Z > 2) - 0.431 b): P[:<] -0.121 c): P[Z > 2] = 0.978 d): P[2] > 2] -0.001 e): P[- <Z...
Use the calculator provided to solve the following problems. . Consider at distribution with 18 degrees of freedom. Compute Pt-1.67). Round your answer to at least three decimal places • Considerat distribution with 22 degrees of freedom. Find the value of places. such that P(-c< <C) = 0.99. Round your answer to at least three decimal P(15-1.67) - 1 Sove For Later S A 2009 MEG A
Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. (a) Find the t-value such that the area in the right tail is 0.05 with 27 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.25 with 17 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area...
Determine the t-value in each of the cases. Click the icon to view the table of areas under the t-distribution. (a) Find the t-value such that the area in the right tail is 0.15 with 30 degrees of freedom. (Round to three decimal places as needed.) (b) Find the t-value such that the area in the right tail is 0.025 with 16 degrees of freedom. (Round to three decimal places as needed.) (c) Find the t-value such that the area...
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