Mathematics, 17.01.2020 21:31, dzaugmavericks9145
Suppose that the prevalence of a certain type of tree allergy is 0.32 in the general population. if 100 people randomly chosen from this population are tested for this allergy, what is the probability that exactly 32 of them will have this allergy?
Answers: 1
Mathematics, 22.06.2019 00:30, sanfordl
1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?
Answers: 2
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