Suppose that 76% of Americans prefer Coke to Pepsi. A sample of 80 was taken. What is the
probability that at least seventy percent of the sample prefers Coke to Pepsi?
A. 0.1038
B. 0.1423
C. 0.8962
D. 0.8577
E. Can not be determined.
Solution
E.
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Suppose that 76 of Americans prefer Coke to Pepsi. A sample of 80 w.pdf
1. Suppose that 76% of Americans prefer Coke to Pepsi. A sample of 80 was taken. What is the
probability that at least seventy percent of the sample prefers Coke to Pepsi?
A. 0.1038
B. 0.1423
C. 0.8962
D. 0.8577
E. Can not be determined.
Solution
E