SOLUTION: A munitions warehouse contains 71 bombs, of which 5 are defective. A sample of 10 bombs will be drawn and tested.
a. What is the probability that the sample will contain exactly 2
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Question 841245: A munitions warehouse contains 71 bombs, of which 5 are defective. A sample of 10 bombs will be drawn and tested.
a. What is the probability that the sample will contain exactly 2 defective bombs?
b. What is the probability that the sample will contain less than 2 defective bombs?
Im trying to figure out what this question is. Im thinking its a hypergeometric distribution but i just need a little help with it because i dont know where to start.
Thank you in advance
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
a)
10C2/71C5
=45/13019909
.
b)
(10C0+10C1)/13019909
=(1+10)/...
=11/13019909
.
Ed
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