A used car dealer says that the mean price of a three-year-old sports utility vehicle is $19,000. You suspect this claim is incorrect and find that a random sample of 21 similar vehicles has a mean price of $19,857 and a standard deviation of $1930. Is there enough evidence to reject the claim at a=0.05? 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 H₂? OA. Ho: p2$19,000 B. Ho: $19,000 H:μ<$19,000 6 Hoi us19,000 H:<$19,000 H:H=$19,000 D. Ho: $19,000 OE Ho: $19,000 H:μ>$19,000 H:μ*$19,000 ĐẸ Ho: 1519,000 H₂ μS$19,000 (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 three decimal places as needed.)
A used car dealer says that the mean price of a three-year-old sports utility vehicle is $19,000. You suspect this claim is incorrect and find that a random sample of 21 similar vehicles has a mean price of $19,857 and a standard deviation of $1930. Is there enough evidence to reject the claim at a=0.05? 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 H₂? OA. Ho: p2$19,000 B. Ho: $19,000 H:μ<$19,000 6 Hoi us19,000 H:<$19,000 H:H=$19,000 D. Ho: $19,000 OE Ho: $19,000 H:μ>$19,000 H:μ*$19,000 ĐẸ Ho: 1519,000 H₂ μS$19,000 (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 three decimal places as needed.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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Question
![A used car dealer says that the mean price of a three-year-old sports utility vehicle is $19,000. You suspect this claim is incorrect and find that a random sample of 21 similar vehicles has a mean price of $19,857 and a standard deviation of
$1930. Is there enough evidence to reject the claim at a=0.05? Complete parts (a) through (e) below. Assume the population is normally distributed.
G
(a) Write the claim mathematically and identify Ho and Ha
Which of the following correctly states Ho and H₂?
OA. Ho: p2$19,000
H_:μ « $10,000
OB. Ho: $19,000
H:μ<$19,000
6. Hoi
U19,000
H:H=$19,000
D. Ho: $19,000
OE. Ho: $19,000
H:>$19,000
H:μ*$19,000
OF. Ho:>$19,000
H₂:μ≤$19,000
(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 three decimal places as needed.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1dc652a0-e7d9-4adc-b76c-08c6ff3135bb%2F0c53defd-3650-49a8-aca5-b0a78adb7bed%2Fronu3w8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A used car dealer says that the mean price of a three-year-old sports utility vehicle is $19,000. You suspect this claim is incorrect and find that a random sample of 21 similar vehicles has a mean price of $19,857 and a standard deviation of
$1930. Is there enough evidence to reject the claim at a=0.05? Complete parts (a) through (e) below. Assume the population is normally distributed.
G
(a) Write the claim mathematically and identify Ho and Ha
Which of the following correctly states Ho and H₂?
OA. Ho: p2$19,000
H_:μ « $10,000
OB. Ho: $19,000
H:μ<$19,000
6. Hoi
U19,000
H:H=$19,000
D. Ho: $19,000
OE. Ho: $19,000
H:>$19,000
H:μ*$19,000
OF. Ho:>$19,000
H₂:μ≤$19,000
(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 three decimal places as needed.)
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