Mathematics, 24.03.2020 22:30 mandoux
A marketing researcher for a phone company surveys 136 people and finds that the proportion of customers who are
likely to switch providers when their contract expires is 25%. What is the standard deviation of the sampling distribution of the proportion?
Answers: 1
Mathematics, 21.06.2019 18:00, abhibhambhani
Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.
Answers: 1
Mathematics, 22.06.2019 02:00, SoccerHalo
Milk and ice cream are mixed together for a recipe. the total volume of the mixture is 1 cup. if the milk contains 2% fat, the cream contains 18% fat ,and the mixture contains 6% fat ,how much cream is in the mixture
Answers: 1
A marketing researcher for a phone company surveys 136 people and finds that the proportion of custo...
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