Author Question: For data with two outcomes (success or failure), the binomial proportion of successes is likely to ... (Read 88 times)

Starlight · **on:** Jun 24, 2018

For data with two outcomes (success or failure), the binomial proportion of successes is likely to be the parameter of interest.

A) True B) False

Question 2

A study of college students stated that 25 of all college students have at least one tattoo. In a random sample of 80 college students, let x be the number of the students that have at least one tattoo. Find the mean and standard deviation for this binomial distribution.

A) Mean = 20, Standard Deviation = 15 B) Mean = 20, Standard Deviation = 3.87
C) Mean = 80, Standard Deviation = 3.87 D) Mean = 80, Standard Deviation = 15