A random sample of 100 pumpkins is obtained and the mean circumference is found to be 40.5 cm. Assuming that the population standard deviation is known to be 1.6 cm, use a 0.05 significance level to test the claim that the mean circumference of all pumpkins is equal to 39.9 cm.

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Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion
about the nulI hypothesis, and final conclusion that addresses the original claim.
A random sample of 100 pumpkins is obtained and the mean circumference is found to
be 40.5 cm. Assuming that the population standard deviation is known to be 1.6 cm, use
a 0.05 significance level to test the claim that the mean circumference of all pumpkins is
equal to 39.9 cm.
Transcribed Image Text:Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the nulI hypothesis, and final conclusion that addresses the original claim. A random sample of 100 pumpkins is obtained and the mean circumference is found to be 40.5 cm. Assuming that the population standard deviation is known to be 1.6 cm, use a 0.05 significance level to test the claim that the mean circumference of all pumpkins is equal to 39.9 cm.
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