Assume that a gallon of milk bought at the store goes bad some time in the interval from 5 days to 10 days after purchase. What is the probability that it goes bad less than 4.5 days after purchase?

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Assume that a gallon of milk bought at the store goes bad some time in the interval from 5 days to 10 days after purchase. What is the probability that it goes bad less than 4.5 days after purchase?

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Answer 1 · 2015-02-03T12:53:17

Unless it's a trick question that I don't understand, the probability of a time for milk to go bad to be less than 4.5 days is 0 because the assumption of a problem is that this time is always between 5 and 10 days after purchase.

The probability distribution looks like this (#P# - measure of probability, #T# - time the milk goes bad, numbers are days after purchase):
#P(T<5)=0#
#P(5<=T<=10)=1#
#P(T>10)=0#

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Assume that a gallon of milk bought at the store goes bad some time in the interval from 5 days to 10 days after purchase. What is the probability that it goes bad less than 4.5 days after purchase?

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