A retailer claims that 90% of its customers are "pleased" or "very pleased" with the customer
Service. In a survey of 300 customers taken last week, what is the probability that between 80% and
90% will be "pleased" or "very pleased" with the service?
A) 0.1736
B) 0.5736
C) 0.3464
D) Almost 100%
E) Almost 50%
Correct Answer:
Verified
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