Author Question: The employees at a Ford assembly plant are polled as they leave work. Each is asked, What brand of ... (Read 57 times)

RRMR · **on:** Jul 24, 2018

The employees at a Ford assembly plant are polled as they leave work. Each is asked, What brand of automobile are you riding home in? The random variable to be reported is the number of each brand mentioned. Is x a binomial random variable? Justify your answer.

Question 2

One of the differences between a histogram and bar chart is:
a. that the bar chart does have gaps between the bars and the histogram does not
b. that the histogram is used to display the distribution of quantitative data and the bar chart is used to display qualitative data
c. that the width of the bars is the same in both the histogram and the bar chart
d. all of these
e. none of these

aadams68 · **Reply #1 on:** Jul 24, 2018

Answer to Question 1

x is not a binomial random variable because there are more than two categories of outcomes. As the exercise is stated, each different brand (or make) of automobile is an outcome; therefore there are many different possible outcomes on each trial.

Answer to Question 2

D