Question

Binomial distribution) Twelve percent of U.S. adults eat fast food four to six times per week. You randomly select 12 U.S. adults. The random variable (x) is the number of U.S. adults who eat fast food four to six times per week.

a. Find the average number of U.S. adults who eat fast food four to six times per week. Round your answer to two decimal places. Blank 1
b. Find the variance of the number of U.S. adults who eat fast food four to six times per week. Round your answer to four decimal places. Blank 2
c.  Find the standard deviation of the number of U.S. adults who eat fast food four to six times per week. Round your answer to four decimal places. Blank 3

Answer 1