# Question: Suppose you are testing the following hypotheses H0 1000

Suppose you are testing the following hypotheses: H0: = 1000 Ha : ≠ 1000 Sample size is 36. The sample mean is 940. The population standard deviation is 120. The significance level is .05.

a. What are the critical z scores for the test? State the decision rule.

b. Compute the sample statistic, zstat .

c. Should you reject the null hypothesis? Explain.

a. What are the critical z scores for the test? State the decision rule.

b. Compute the sample statistic, zstat .

c. Should you reject the null hypothesis? Explain.

## Answer to relevant Questions

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 ...The average number of online orders for Packard Espinosa Electronics is 258 per day. In a sample of 30 Tuesdays, the average number of orders was 289. If you were to use the sample average in a hypothesis test to determine ...Suppose you are testing the following hypotheses: H0: μ > 4000 Ha: μ < 4000 Sample size is 16. The sample mean is 3920 and the sample standard deviation is 200. The significance level is .01. Assume that the values in the ...Refer to Exercise 52. Suppose the sample size was 12 rather than 200. Revise the test you set up and report your decision. Assume the population distribution is approximately normal. In exercise A study in the Annals of ...Refer to Exercise 54 (Plexon Tires). Use the p value approach to answer the following questions. In exercise Plexon Tire and Rubber Company claims that its Delton III tires have an average life of at least 50,000 miles. You ...Post your question