Multiple Choice
Suppose that the average pop song length in America is 4 minutes with a standard deviation of 1.25 minutes. It is known that song length is not normally distributed. Suppose a sample of 25 songs is taken from the population. What is the approximate probability that the average song length will be less than 3.5 minutes? Round to the nearest thousandth.
A) 0.345
B) 0.477
C) 0.023
D) 0.155
Correct Answer:

Verified
Correct Answer:
Verified
Q22: A sociologist wants to know whether there
Q23: Suppose a consumer product researcher wanted to
Q24: An economist conducted a hypothesis test to
Q26: Suppose a consumer product researcher wanted to
Q28: Use the following information to answer the
Q29: Use the following information to answer the
Q30: Use the following information to answer the
Q30: Use the following information to answer questions
Q31: Use the following information to answer the
Q34: Explain what is meant when we say