The state of Connecticut claims that the average time on death row is 15 years. A random survey of 75 deathrow inmates revealed that the average length of time on death row is 17.8 years with a standard deviation of6.8 years. Conduct a hypothesis to test the state of Connecticut's claim. Use 5% significance level.What type of test should be run?t-test of a meanz-test of a proportionThe alternative hypothesis indicates aright-tailed testleft-tailed testtwo-tailed testCalculate the p-value. Round to 4 decimal places.What is the decision?We fail to reject the claim that the average time on death row is 15 yearsWe reject the claim that the average time on death row is 15 years

Here the population standard deviation is not known and we are supposed to test a value of the mean…

Answered: The state of Connecticut claims that…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The state of CT claims that the average time on death row is 15 years. A random survey of 75 death row inmates revealed that the average length of time on death row is 16.8 years with a standard deviation of 6.2 years. Conduct a hypothesis to test the state of CT's claim.What type of test should be run? t-test of a mean z-test of a proportion The alternative hypothesis indicates a left-tailed test two-tailed test right-tailed test Calculate the p-value. What is the decision? We reject the claim that the average time on death row is 15 years We fail to reject the claim that the average time on death row is 15 years
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Mean is 4 Standard deviation is 1.5
Moviegoers The average "moviegoer" sees 8.5 movies a year. A moviegoer is defined as a person who sees at least one movie in a theater in a 12-month period.A random sample of 42 moviegoers from a large university revealed that the average number of movies seen per person was 9.6. The population standard deviation is 3.2 movies. At the 0.10 level of significance, can it be concluded that this represents a difference from the national average? (a)State the hypotheses and identify the claim with the correct hypothesis. (b)Find the critical value(s). (c)Compute the test value. (d)Make the decision. (e)Summarize the results.
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incorrect Using traditional methods, it takes 97 hours to receive a basic flying license. A new license training method using Computer Aided Instruction (CAI) has been proposed. A researcher used the technique with 110 students and observed that they had a mean of 98 hours. Assume the standard deviation is known to be 7. A level of significance of 0.01 will be used to determine if the technique performs differently than the traditional method. Find the value of the test statistic. Round your answer to 2 decimal places. Enter the value of the test statistic. Answer 国 Tables E Keypad How to enter your answer Keyboard Shortcuts Tutor Skip Try Similar Submit Answer O 2020 Hawkes Learning MacBook Air 80 888 esc F1 F2 F3 F4 FS F6 F9 F10 F11 %23 $ % & 1 3 4 5 6 7 8 9 dele- { Q W E Y P ab A F G H J K L s lock C V control option command command option

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