Solved

To Determine the Probability of Obtaining Exactly 20 Successes in 50

Question 53

Multiple Choice

To determine the probability of obtaining exactly 20 successes in 50 trials with p=0.30p=0.30 , we should use


A) the binomial formula.
B) the Poisson formula.
C) the normal approximation to the binomial distribution.
D) the normal table.

Correct Answer:

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