Question

Ten items are selected at random from a production line It is known that the probability of finding a defective item from this line is 0.25 (p=0.25) Find: 1) The probability of selecting exactly 3 defective items 2) " " " " at most 3 " " 3) " " " " between 3 and 7 " " 4 ) The mean and 5) The standard deviation of the resulting probability distribution.

Answer 1

Answer:

wateva u want it to be

Step-by-step explanation:

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