A national college researcher reported that 67%of students who graduated from high school in 2012 enrolled in college. Twenty-nine high school graduates are sampled What is the mean number who enroll in college in a sample of 29 high school graduates? Round the answer to two decimal places. a) What is the standard deviation of the number who enroll in college in a sample of 29 high school graduates?

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Physics

Jesus Vaughan

26 November, 23:19

A national college researcher reported that 67%of students who graduated from high school in 2012 enrolled in college. Twenty-nine high school graduates are sampled What is the mean number who enroll in college in a sample of 29 high school graduates? Round the answer to two decimal places. a) What is the standard deviation of the number who enroll in college in a sample of 29 high school graduates?

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Jayson Cisneros · Answer 1

Theorem of Binomial Distribution will apply here.

n = 29, p =.67, q = 0.33

mean = np = 29 x. 67 = 19.43

Standard Deviation = √npq

= √29 x. 67 x. 33

= √6.4

= 2.53

=