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Major software manufacturers offer a helpline that allows customers to call and receive assistance in resolving their problems. However, customers are often put on hold

  1. Major software manufacturers offer a helpline that allows customers to call and receive assistance in resolving their problems. However, customers are often put on hold due to the volume of calls. A software manufacturer claims that only 20% of callers are put on hold. Suppose they call 100 customers. What is the probability that more than 25 of them will be put on hold? (Binomial)

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