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A company guarantees customer satisfaction on the purchase of a product, or the company will refund...

A company guarantees customer satisfaction on the purchase of a product, or the company will refund the purchase price of the product. Previous experience has shown that 6% of tall purchases are returned. What is the probability the that no more than 1 of the next 8 purchased will be returned.

1. P(x≤1)=0.921

2. P(x<1)=0.610

3. P(x≠1)=0689

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