Mathematics, 30.08.2019 11:00 briannagisellegarcia
The average yearly medicare hospital insurance benefit per person was $4064 in a recent year. if the benefits are normally distributed with a standard deviation of $425, find the probability that the mean benefit for a random sample of 36 patients is less than $3800.
Answers: 1
Mathematics, 21.06.2019 15:30
Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?
Answers: 1
Mathematics, 21.06.2019 16:40
The sum of two numbers is 86, and their difference is 20. find the two numbers
Answers: 2
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