A Study of College Students Stated That 25% of All $= 15$

Multiple Choice

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