For data with two outcomes (success or failure), the binomial ...

[Starlight]

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

[juicepod]

Answer to Question 1

A

Answer to Question 2

B

[Starlight]

Gracias!

[lindahyatt42]

Excellent