Author Question: A businessman who is running for the vacant Mayoral seat with 88,000 registered voters conducts a ... (Read 117 times)

jerry coleman · **on:** Jun 24, 2018

A businessman who is running for the vacant Mayoral seat with 88,000 registered voters conducts a survey. In the survey, 54.6 of the 1,200 registered voters interviewed say they planned to vote for him.

Identify the population of interest and the sample in this survey.

Question 2

The speed of cars passing through a check point follows a normal distribution with a mean of 45 miles per hour and a standard deviation of 6 miles per hour. What is the probability that the next car passing will be exceeding 51 miles per hour?

A) 0.9854
B) 0.8413
C) 0.7967
D) 0.1587

ebenov · **Reply #1 on:** Jun 24, 2018

Answer to Question 1

The population of interest is the political choices of the 88,000 registered voters. The sample is the political choices of the 1,200 registered voters interviewed.

Answer to Question 2

D