Mathematics, 12.02.2020 06:22 travisjpatterson
To determine what effect the salespeople had on purchases, a department store polled 700 shoppers as to whether or not they had made a purchase and whether or not they were pleased with the service. Of those who had made a purchase, 130 were happy with the service and 119 were not. Of those who had made no purchase, 142 were happy with the service and 309 were not.
Find the probability that a shopper who was happy with the service had made a purchase (round off to the nearest hundredth).
Answers: 2
Mathematics, 21.06.2019 16:30, chloesmolinski0909
Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls
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Mathematics, 21.06.2019 22:10, carsondelane13
Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
Answers: 2
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