# Question: Refer to exercise 48 Assume the firm selects a sample

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?

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?

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