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OpenStudy (anonymous):
there are 8 cars in a parking lot on a very cold day. Supposed the probability of any of them not starting is 0.13. What is the probability that exactly 2 of the cars will not start?
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OpenStudy (anonymous):
n=8 , p=0.13 , q=1-0.13=0.87 Now, Find P(x=2)
OpenStudy (anonymous):
can u?
OpenStudy (anonymous):
no
OpenStudy (anonymous):
P(X=2) = 8C2 * (p^2) * (q^6)
OpenStudy (anonymous):
Now, can u?
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OpenStudy (anonymous):
no
OpenStudy (anonymous):
*face palm*
OpenStudy (anonymous):
? ok
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