The probability that someone will prefer Coke over Pepsi is 0.56.A researcher asked 90 people which soda pop they preferred, and used the normal approximation to the binomial with a correction for continuity, what would be the probability at least 50 preferring Coke?
A) 0.615
B) 0.507
C) 0.560
D) 0.900
E) 0.576
Correct Answer:
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