Find the mean and standard deviation for each binomial random variable: a. n = 35,
π
= .70 (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.)

Mean
24.5
Standard deviation

b. n = 74,
π
= .50 (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.)

Mean
Standard deviation

c. n = 25,
π
= .85 (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.)

Mean
Standard deviation