SOLUTION: suppose that 5 percent of all items produced are defective out of 15 randomly selected sample items what is the probability that exactly 8 are defective?

Question 959189: suppose that 5 percent of all items produced are defective out of 15 randomly selected sample items what is the probability that exactly 8 are defective?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
suppose that 5 percent of all items produced are defective out of 15 randomly selected sample items what is the probability that exactly 8 are defective?
--------------
Binomial Problem with n = 15 and p(defective) = 0.05
----
P(x = 8) = 15C8*0.05^8*0.95*7 = binompdf(15,0.05,8) = 0.000000176
-------------
Cheers,
Stan H.
------------
RELATED QUESTIONS
Suppose that it is known that 5% of the items produced by a particular machine are... (answered by stanbon)

Seven percent of the items produced at a factory are defective. The quality control team... (answered by robertb)

A manufacture claims that 5% of the finished items coming off an assembly line each dat... (answered by stanbon)

7.Ten percent of the items produced by a machine are defective. Out of 15 items chosen at (answered by stanbon)

Suppose five items are selected randomly from a production line that is known to produce... (answered by Shana-D77)

A certain item is manufactured by 3 factories. Suppose we have a stockpile of the items... (answered by Boreal)

10% of items produced by a manufacturer are defective. 1. Find the probability that for... (answered by ewatrrr)

A production process produces an item. On average 20% of all items produced are... (answered by Theo)

It is estimated that 1.3% of all items produced on an assembly line have some form of... (answered by Boreal)