SOLUTION: a large shipment of books contains 5% with imperfect bindings.find the probabilities that among 100 books randomly selected from the shipment : 1- exactly 4 will have imperfect bi

Question 770572: a large shipment of books contains 5% with imperfect bindings.find the probabilities that among 100 books randomly selected from the shipment :
1- exactly 4 will have imperfect binding?
2-al least 2 will have imperfect binding (use poisson app)?
3-between 2 and 10 (both inclusive) will have imperfect binding (use normal app)?
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
I do here the first part:

1) P(x =4) = C(100,4)(0.05)4(0.95)96 = 0.178
You can ask me more at: mthman@gmail.com
Thanks
RELATED QUESTIONS
Find the number of ways in which 5 large books, 4 medium-size books and 3 small books can (answered by fractalier)

Find the probability of selecting 5 math books and 4 history books from a stack that... (answered by stanbon)

find the number of ways in which 5 large books, 4 medium size books and 3 small books can (answered by filboi)

Find the number of ways 5 large books, 4 medium-size books, and 3 small books can be... (answered by ikleyn)

fred buys a box of books at a car boot sale the box contains 7 hardback books and 8 soft... (answered by edjones)

Find the probability of randomly selecting 2 mathematics books and 3 physics books from a (answered by stanbon)

Find the probability of randomly selecting 2 mathematics books and 3 physics books from a (answered by edjones)

Find the number of ways 5 large books and 3 small books can be placed on a shelf where... (answered by checkley79)

A bookcase contains 6 different math books and 12 different physics books. If a student... (answered by Edwin McCravy)