A television network wanted to estimate the proportion of a one-hour time slot that is made up of commercials. The network took random samples of 10 one-hour time slots. The following are the sample proportions the network found
in 12 samples
0.25 0.3 0.2
0.25
0.3
0.35 0.25 0.3
0.25 0.35 0.3
0.3
Part A
What is the estimated proportion of commercials in all one-hour time slots? Round your answer to the nearest
thousandth.
The estimated proportion of commercials in all one-hour time slots is
Part B

In 2000, for a certain region, 27.1% of incoming college freshman characterized their political views as liberal, 23.1% as moderate, and 49.8% as conservative. for this year, a random sample of 400 incoming college freshman yielded the frequency distribution for political views shown below. a. determine the mode of the data. b. decide whether it would be appropriate to use either the mean or the median as a measure of center. explain your answer. political view frequency liberal 118 moderate 98 conservative 184 a. choose the correct answer below. select all that apply. a. the mode is moderate. b. the mode is liberal. c. the mode is conservative. d. there is no mode.