SOLUTION: There is a 90% chance that a pizza place will make a delivery in less than 30 min. what is the probability that in a sample of 10 pizzas ordered from a certain pizza place at diffe
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Question 441315: There is a 90% chance that a pizza place will make a delivery in less than 30 min. what is the probability that in a sample of 10 pizzas ordered from a certain pizza place at different times of the day atleast 7 will be delivered in less than 30 min? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! There is a 90% chance that a pizza place will make a delivery in less than 30 min. what is the probability that in a sample of 10 pizzas ordered from a certain pizza place at different times of the day at least 7 will be delivered in less than 30 min?
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Binomial Problem with n = 10 ; p = 0.9
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P(7<= x <=10) = 1-P(0<= x <=6) = 1 - binomcdf(10,0.9,6)
= 1 - 0.01280
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= 0.9872
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Cheers,
Stan H.
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