SOLUTION: Suppose 70% of teenagers are reported to have had a compact disc player by the time they were 16. In a group of 20 teenagers, find the probability that at least 16 of them had a CD

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Question 912431: Suppose 70% of teenagers are reported to have had a compact disc player by the time they were 16. In a group of 20 teenagers, find the probability that at least 16 of them had a CD player by age 16.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
p(having) =.70, n = 20
P( x ≥ 16 ) = 1 - binomcdf(20, .70, 15) Using TI