Mathematics, 07.03.2021 01:00 Siris420
A bag contains five marbles. Two are red, two are blue, and one is yellow. A marble is drawn and put back into the bag. Then a second marble is drawn. What is the probability that two red marbles are drawn?
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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