Question: 26
(Choose 1 answer)
A salesperson knows that 20% of her presentations result in sales. Use the normal approximation formula for
the Binomial distribution to find the probabilities that in the next 60 presentations at least 9 result in sales.
Let P(Z<-1.13) 0.1292 and P(Z < -0.97) = 0.1660.
A. 0.8708
B. 0.1660
C. 0.1292
D. 0.8340
E. None of the other choices is correct