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 $21,530 and a standard deviation of $1904 Is there ough 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 H, and H,? O B. Ho p=$21,000 Ha p> $21,000 OA. Ho u= $21,000 OC. Ho ut $21,000 Ha u< $21,000 Ha p= $21,000 OD. Ho u2 $21,000 Hu<$21,000 O E. Ho u=$21,000 Ha u#$21,000. OF. Ho u> $21,000 H, us $21,000 (b) Find the critical value(s) and identify the rejection region(s) What is(are) the critical value(s), to? (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) O A > OB. t Oc. OD. Iand t (e) Find the standardized test statistic t Click to select your answer(s)

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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 $21,530 and a standard deviation of $1904. Is there
hough evidence to reject the claim at a= 0.01? Complete parts (a) through (e) below. Assume the population is normally distributed.
a) Write the claim mathematically and identify Ho and H
a
Which of the following correctly states H, and H,?
O A. Ho H= $21,000
Ha p< $21,000
O C. Ho H$21,000
Ha µ=$21,000
O B. Ho µ= $21,000
Ha µ> $21,000
O D. Ho H2 S21,000
Ha H< $21,000
O E. Ho H=$21,000
Ha H#$21,000
O F. Ho µ> $21,000
Ha Hs $21,000
(b) Find the critical value(s) and identify the rejection region(s).
What is(are) the critical value(s), to?
to
(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.)
O A. t>
B. t<
OC. <t<
O D. t<
and t>
(c) Find the standardized test statistic t
Click to select your answer(S).
1:03 AM
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112
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sysrg
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LEGO
EGO
Ansert
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Transcribed Image Text:Question Help ▼ 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 $21,530 and a standard deviation of $1904. Is there hough evidence to reject the claim at a= 0.01? Complete parts (a) through (e) below. Assume the population is normally distributed. a) Write the claim mathematically and identify Ho and H a Which of the following correctly states H, and H,? O A. Ho H= $21,000 Ha p< $21,000 O C. Ho H$21,000 Ha µ=$21,000 O B. Ho µ= $21,000 Ha µ> $21,000 O D. Ho H2 S21,000 Ha H< $21,000 O E. Ho H=$21,000 Ha H#$21,000 O F. Ho µ> $21,000 Ha Hs $21,000 (b) Find the critical value(s) and identify the rejection region(s). What is(are) the critical value(s), to? to (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.) O A. t> B. t< OC. <t< O D. t< and t> (c) Find the standardized test statistic t Click to select your answer(S). 1:03 AM P Type here to search 4/23/2021 18 DIR F11 112 pause break prt sc sysrg delete home LEGO EGO Ansert 15 7 080 U Fo enter G 4. P
Question Help ▼
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 $21,530 and a standard deviation of $1904. Is there
enough evidence to reject the claim at a= 0.01? Complete parts (a) through (e) below. Assume the population is normally distributed.
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.)
O A. t>
O B. t<
C.
<t<
O D. t<
and t>
(c) Find the standardized test statistic t.
t =
(Round to two decimal places as needed.)
(d) Decide whether to reject or fail to reject the null hypothesis.
O A. Fail to reject H, because the test statistic is in the rejection region(s).
B. Reject Ho because the test statistic is not in the rejection region(s).
C. Reject Ho because the test statistic is in the rejection region(s).
O D. Fail to reject Ho because the test statistic is not in the rejection region(s).
(e) Interpret the decision in the context of the original claim
O A. At the 1% level of significance, there is not sufficient evidence to reject the claim that the mean price is $21,000.
B. At the 1% level of significance, there is not sufficient evidence to reject the claim that the mean price is not $21,000.
O C. At the 1% level of significance, there is sufficient evidence to reject the claim that the mean price is $21,000.
Click to select your answer(s).
?
1:03 AM
Type here to search
4/23/2021
12
LEGO
pause
break
prt sc
delete
home
LEGO
pgup
టన
080
backspoce
num tk
7
G
K
enter
3.
Transcribed Image Text:Question Help ▼ 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 $21,530 and a standard deviation of $1904. Is there enough evidence to reject the claim at a= 0.01? Complete parts (a) through (e) below. Assume the population is normally distributed. 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.) O A. t> O B. t< C. <t< O D. t< and t> (c) Find the standardized test statistic t. t = (Round to two decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. O A. Fail to reject H, because the test statistic is in the rejection region(s). B. Reject Ho because the test statistic is not in the rejection region(s). C. Reject Ho because the test statistic is in the rejection region(s). O D. Fail to reject Ho because the test statistic is not in the rejection region(s). (e) Interpret the decision in the context of the original claim O A. At the 1% level of significance, there is not sufficient evidence to reject the claim that the mean price is $21,000. B. At the 1% level of significance, there is not sufficient evidence to reject the claim that the mean price is not $21,000. O C. At the 1% level of significance, there is sufficient evidence to reject the claim that the mean price is $21,000. Click to select your answer(s). ? 1:03 AM Type here to search 4/23/2021 12 LEGO pause break prt sc delete home LEGO pgup టన 080 backspoce num tk 7 G K enter 3.
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