# Question: Suppose you are testing the following hypotheses H0

Suppose you are testing the following hypotheses: H0: μ = 650 Ha: μ ≠ 650 Sample size is 100. The sample mean is 635. The population standard deviation is 140. The significance level is .10.

a. Compute the sample statistic, z stat.

b. Compute the appropriate p value for the sample mean.

c. Should you reject the null hypothesis? Explain.

a. Compute the sample statistic, z stat.

b. Compute the appropriate p value for the sample mean.

c. Should you reject the null hypothesis? Explain.

**View Solution:**## Answer to relevant Questions

Suppose you are testing the following hypotheses: H0: μ = 7000 Ha: μ ≠ 7000 Sample size is 144. The sample mean is 7040. The population standard deviation is 240. The significance level is .01 a. Compute the p value for ...C Net. com reports that the average talk time battery life for Nokia’s model 1661 phone is 9.3 hours (source: reviews. cnet. com). In a test involving 64 recharges, you find that the average battery life is 8.9 hours for ...Suppose you are testing the following hypotheses: H0: μ = 3200 Ha: μ ≠ 3200 Sample size is 9. The sample mean is 3260 and the sample standard deviation is 120. The significance level is .10. Assume that the values in the ...Plexon Tire and Rubber Company claims that its Delton III tires have an average life of at least 50,000 miles. You take a random sample of 50 Delton III tires to test Plexon’s claim. The average life for the tires in your ...A large number of rivets hold the wing of an Icarus 350 (a light aircraft model) to the fuselage. You are to conduct a spot check of the aircraft’s safety. Regulations require an average breaking strength of at least 8800 ...Post your question