Question Help v A used car dealer says that the mean price of a three-year-old sports utility vehicle is $21,000. You suspect this claim is incorrect and find that a random sample of 24 similar vehicles has a mean price of $21,647 and a standard deviation of $1992. Is there enough evidence to reject the claim at a =0.10? Complete parts (a) through (e below. Assume the population is normally distributed. O A. Ho: H# $21,000 O B. Ho: H = $21,000 Ha: H< $21,000 OC. Ho: H= $21,000 Ha: H > $21,000 OF. Ho:2$21,000 Hai H<$21,000 Ha:H= $21,000 D. Ho: H=$21,000 O E. Ho:H>$21,000 Hai HS $21,000 Ha: p# $21,000 (b) Find the critical value(s) and identify the rejection region(s). What is(are) the critical value(s), t,? to = (Use a comma to separate answers as needed. Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer.

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Question Help v
A used car dealer says that the mean price of a three-year-old sports utility vehicle is $21,000. You suspect this claim is incorrect and find that a random sample of 24
similar vehicles has a mean price of $21,647 and a standard deviation of $1992. Is there enough evidence to reject the claim at a =0.10? Complete parts (a) through (e
below. Assume the population is normally distributed.
O A. Ho: H# $21,000
O B. Ho: H = $21,000
Ha: H< $21,000
O E. Ho:H>$21,000
OC. Ho: H= $21,000
Ha: u > $21,000
OF. Ho 2$21,000
Ha:H<$21,000
Ha:H = $21,000
D. Ho:H= $21,000
Ha: u# $21,000
Hai HS $21,000
(b) Find the critical value(s) and identify the rejection region(s).
What is(are) the critical value(s), t,?
to =
(Use a comma to separate answers as needed. Round to three decimal places as needed.)
Enter your answer in the answer box and then click Check Answer.
parts
remaining
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Transcribed Image Text:Question Help v A used car dealer says that the mean price of a three-year-old sports utility vehicle is $21,000. You suspect this claim is incorrect and find that a random sample of 24 similar vehicles has a mean price of $21,647 and a standard deviation of $1992. Is there enough evidence to reject the claim at a =0.10? Complete parts (a) through (e below. Assume the population is normally distributed. O A. Ho: H# $21,000 O B. Ho: H = $21,000 Ha: H< $21,000 O E. Ho:H>$21,000 OC. Ho: H= $21,000 Ha: u > $21,000 OF. Ho 2$21,000 Ha:H<$21,000 Ha:H = $21,000 D. Ho:H= $21,000 Ha: u# $21,000 Hai HS $21,000 (b) Find the critical value(s) and identify the rejection region(s). What is(are) the critical value(s), t,? to = (Use a comma to separate answers as needed. Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. parts remaining Clear All Check Answer
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