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Question 311:

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. 1. State the null hypothese 2. state the alternative 3. Identify the test statistic 4. Find the P-value 5. What is the conclusion regarding the null hypothesis? 6. What is the final conclusion that addresses the original claim?

Need help with the concepts in this question ? View the Comparing Two Means: 2 Sample t-test Tutorial.

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