A large store has a customer service department where customers can go to ask for help with store-related issues. According to store records, approximately ¼ of all customers who go to the service department ask for help finding an item. Assume the reason each customer goes to the service department is independent from customer to customer. Based on the approximation, what is the probability that at least 1 of the next 4 customers who go to the service department will ask for help finding an item?

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Question:

A large store has a customer service department where customers can go to ask for help with store-related issues. According to store records, approximately ¼ of all customers who go to the service department ask for help finding an item. Assume the reason each customer goes to the service department is independent from customer to customer. Based on the approximation, what is the probability that at least 1 of the next 4 customers who go to the service department will ask for help finding an item?

Answer:

The probability that at least 1 of the next 4 customers who go to the service department will ask for help finding an item is 0.68.

Step-by-step explanation:

GIven :

According to store records, approximately of all customers who go to the service department ask for help finding an item.

Solution :

According to given statement we can say that of all customers who go to the service department will not ask for help.

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Now, the probability that at least 1 of the next 4 customers who go to the service department will ask for help finding an item is

Therefore, the probability that at least 1 of the next 4 customers who go to the service department will ask for help finding an item is 0.68.

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