(a) Consider a t distribution with 20 degrees of freedom. Compute P(-1.64
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Q: (a) Consider a t distribution with 8 degrees of freedom. Compute P(-1.93<t< 1.93). Round your answer…
A: a) Given : Degree of freedom,df = 8
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Q: (a) Consider a t distribution with 19 degrees of freedom. Compute P(-1.91<t<1.91). Round your answer…
A: a) df = 19 , P(-1.91 < t < 1.91) = ?
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A: (a) df = 23P(-1.02<t<1.02) = ?(b) df = 12P(tC) = 0.05c = ?
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Q: #2a. Consider a t distribution with 10 degrees of freedom. Compute P(t < -1.74). Round your answer…
A: Degree of freedom =df =10
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A: Class Frequency 20 - 26 1 27 - 33 3 34 - 40 9 41 - 47 3 48 - 54 18 55 - 61 39 62 - 68…
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A: (a) df=10 P(t≤2.0)=? (b) df=11 P(-C<t<C)=0.99
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A: The degree of freedom is given as: We have to obtain c such that:
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A: given data (a) df = 13 P(-1.68<x<1.68) = ? (b) df = 2 P(t≥c) = 0.10 ; c = ?
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A: It is given as the statement about to the t-distribution.
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(a) Consider a t distribution with 20 degrees of freedom. Compute P(-1.64<t<1.64). Round answer to at least 3 decimal places. P(-1.64<t<1.64)=
(b) Consider a t distribution with 27 degrees of freedom. Find the value of c such that P(t is less than or equal to c)=0.05. Round answer to at least 3 decimal places. c=
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- The time (in minutes) it takes Greg to complete a homework problem is uniformly distributed (continuously) on the interval (15, 28). What is the standard deviation of the time it takes to complete a homework problem?(a) Consider a t distribution with 9 degrees of freedom. Compute P(-1.48Researchers were interested in assessing whether stress levels are different at the beginning of the semester compared to finals week. To test this, stress was measured in 5 students at the start of the semester and then again at the end of the semester during finals week. Participant Stress 1 Stress 2 Difference Score (Di) (Di - Mdiff)2 1 22 22 0 2 32 34 -2 3 24 25 -1 4 28 30 -2 5 26 29 -3 What is the observed test statistic (i.e., tobs)? Round to 2 decimal places.Use the central limit theorem to find the mean and standard error of the mean of the indicated sampling distribution. Then sketch a graph of the sampling distribution. The per capita consumption of red meat by people in a country in a recent year was normally distributed, with a mean of 117 pounds and a standard deviation of 39.4 pounds. Random samples of size 15 are drawn from this population and the mean of each sample is determined. 4-0 0 = (Round to three decimal places as needed.) Sketch a graph of the sampling distribution. Choose the correct graph below. O A. A 96.7 117 137.3 Q O B. A 340.8 10.2 361.2 Q Q ww ^ A -106.8 10.2 127.2 86.5 117 147.5 O C. O D. QConsider a t distribution with 8 degrees of freedom. Compute P(t is less than or equal to 1.53). Round answer to at least 3 decimal places. P(t is less than or equal to 1.53)= Consider a t distribution with 12 degrees of freedom. Find the value of c such that P(-c<t<c)=0.99. Round answer to at least 3 decimal places. c=Please solve Q(32)Determine the rejection region for a hypothesis test for the population mean using the give information. Assume that the population standard deviation is unknown, the sample size is small, and the population distribution is approximately normal. Write your answer in a format exactly as in the following examples, "t <= -2.203", or "t >= 1.706", or "|t| >= 1.305". Do not forget the SPACE after t and the SPACE before the number. Also make sure to enter the digit 0 before the decimal point. ?=0.90,??=18 two-tailed test Reject H0 ifThe time that it takes for the next train to come follows a Uniform distribution with f(x) =1/50 where x goes between 2 and 52 minutes. Round answers to 4 decimal places when possible. A. This is a Uniform or Normal distribution? B. Is it a Discrete or Continuous distribution? C. What is the mean of this distribution?(a) Consider a t distribution with 6 degrees of freedom. Compute P(-1.02<<1.02). Round your answer to at least three decimal places. P(-1.02<<1.02)= (b) Consider a t distribution with 17 degrees of freedom. Find the value of c such that P(2c)-0.10. Round your answer to at least three decimal places.esc A T option :9: F1 Use the ALEKS calculator to solve the following problems. N (a) Consider a t distribution with 9 degrees of freedom. Compute P(-1.15Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint, f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviation obtained from the original list of data values, 11.1. n[Σ(f•x?)] - [Σ(-x)]2 n(n −1) Interval 58-64 65-71 72-78 30-36 1 37-43 4 44-50 4 51-57 2 Frequency 31 39 CO Standard deviation = (Round to one decimal place as needed.)Use the ALEKS calculator to solve the following problems. |(a) Consider a t distribution with 17 degrees of freedom. 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