Multiple Choice
A software developer makes 175 phone calls to its current customers. There is an 8 percent chance of reaching a given customer (instead of a busy signal, no answer, or answering machine) . The normal approximation of the probability of reaching at least 20 customers is:
A) .022.
B) .007.
C) .063.
D) .937.
Correct Answer:
Verified
Correct Answer:
Verified
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