Question

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? 815 669 1364 656 601 443

Answer #1

from above as p value is greater than 0.05 , therefore we can not reject null hypothesis

we do not have sufficient evidence to conclude that the sample is from a population with a mean less than 1000 hic.

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...

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...

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...

how do Ifind the sample mean or sx for the problem below?
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...

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 requirements is that the hic measurements 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...

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. In a
manual on how to have a number one song, it is stated that a song
must be no longer than 210seconds. A simple random sample of
40current hit songs results in a mean length of 237.6sec and a
standard deviation...

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