Refer to exercise 48. Assume the firm selects a sample of 50 surveys and repeat parts (b) and (c). What observation can you make about how increasing the sample size affects the probability of making a Type II error?
In exercise 48
b. What is the probability of making a Type II error when the actual mean time is μ = 17 minutes?
c. What is the probability of making a Type II error when the actual mean time is μ = 18 minutes?