Usually people do not like waiting in line for a long time for service. A bank manager
Question:
a. Test at a 1% significance level whether the variance of the waiting times for all customers at this bank is greater than 4.0 square minutes. Assume that the waiting times for all customers are normally distributed.
b. Construct a 99% confidence interval for the population variance.
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a Step 1 H 0 2 40 H l 2 40 Step 2 Since this is a test abo...View the full answer
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