Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. A safety administration conducted crash tests of child booster seats for cars. Listed below are results from those tests, with the measurements given in hic (standard head injury condition units). The safety requirement is that the hic measurement should be less than 1000 hic. Use a 0.05 significance level to test the claim that the sample is from a population with a mean less than 1000 hic. Do the results suggest that all of the child booster seats meet the specified requirement? 722 715 1229 579 561 496 What are the hypotheses? A. Upper H 0 : mu equals1000 hic Upper H 1 : mu greater than or equals1000 hic B. Upper H 0 : mu greater than1000 hic Upper H 1 : mu less than1000 hic C. Upper H 0 : mu equals1000 hic Upper H 1 : mu less than1000 hic Your answer is correct. D. Upper H 0 : mu less than1000 hic Upper H 1 : mu greater than or equals1000 hic Identify the test statistic.
Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. A safety administration conducted crash tests of child booster seats for cars. Listed below are results from those tests, with the measurements given in hic (standard head injury condition units). The safety requirement is that the hic measurement should be less than 1000 hic. Use a 0.05 significance level to test the claim that the sample is from a population with a mean less than 1000 hic. Do the results suggest that all of the child booster seats meet the specified requirement? 722 715 1229 579 561 496 What are the hypotheses? A. Upper H 0 : mu equals1000 hic Upper H 1 : mu greater than or equals1000 hic B. Upper H 0 : mu greater than1000 hic Upper H 1 : mu less than1000 hic C. Upper H 0 : mu equals1000 hic Upper H 1 : mu less than1000 hic Your answer is correct. D. Upper H 0 : mu less than1000 hic Upper H 1 : mu greater than or equals1000 hic Identify the test statistic.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Assume that a simple random sample has been selected from a normally distributed population and test the given claim. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.
A safety administration conducted crash tests of child booster seats for cars. Listed below are results from those tests, with the measurements given in hic (standard head injury condition units). The safety requirement is that the hic measurement should be less than 1000 hic. Use a
0.05
722
715
1229
579
561
496
What are the hypotheses?
A.
Upper H 0
:
mu
equals1000
Upper H 1
:
mu
greater than or equals1000
B.
Upper H 0
:
mu
greater than1000
Upper H 1
:
mu
less than1000
C.
Upper H 0
:
mu
equals1000
Upper H 1
:
mu
less than1000
D.
Upper H 0
:
mu
less than1000
Upper H 1
:
mu
greater than or equals1000
Identify the test statistic.
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