A used car dealer says that the mean price of a three-year-old sports utility vehicle is $23,000. You suspect this claim is incorrect and find that a random sample of 21 similar vehícles has a mean price of $23,626 and a standard deviation of$1978. Is there enough evidence to reject the claim at a = 0.012 Complete parts (a) through (e) below. Assume the population is normally distributed.(a) Write the claim mathematically and identify Ho and H.Which of the following correctly states Ho and H,?O A. Ho: u#$23,000H:p= $23,000O B. Ho: u= $23,000c. Hạ: u= $23,000Hu<$23,000Hp$23,000O D. Ho: u2 $23,000H:u< $23,000OE Ho: p> $23,000H us $23,000OF Ha: u $23,000Hu> $23,000(b) Find the critical value(s) and identify the rejection region(s).What is(are) the critical value(s), to?to = -2.845,2.845(Use a comma to separate answers as needed. Round to three decimal places as needed.)Determine the rejection region(s). Select the correct choice below and fill in the answer box(es) within your choice.(Round to three decimal places as needed.)OB. 1>O A. t<and t>OD.

Answered: Image /qna-images/answer/dcb01c55-1ee1-411b-bbbd-f7da2a29d492.jpg

Answered: A used car dealer says that the mean…

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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A credit card company claims that the mean credit card debt for individuals is greater than $5,300. You want to test this claim. You find that a random sample of 36 cardholders has a mean credit card balance of $5,491 and a standard deviation of $550. At a= 0.01, can you support the claim? Complete parts (a) through (e) below. Assume the population is normally distributed. (a) Write the claim mathematically and identify Ho and Ha. Which of the following correctly states Ho and H,? O B. Ho: µs $5,300 O A. Ho: µ> S5,300 H3: us $5,300 O C. H: μ > $5,300 H3: us $5,300 H3: u> $5,300 OF Ho: μ = 55,300 Ha: u# 55,300 Ο D . Ho: μ2 55,300 O E. Ho: µ= $5,300 Ha: µ $5,300 (b) Find the critical value(s) and identify the rejection region(s). What is(are) the critical value(s), to? to =0 (Use a comma to separate answers as needed. Round to three decimal places as needed.) Determine the rejection region(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to…
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