Mathematics, 30.06.2019 01:50 genesis88
How large a sample size is needed to estimate the mean annual income of people in a certain county, correct to within $1300 with probability 0.99? no information is available about the standard deviation of their income. it is estimated that nearly all of the incomes fall between $0 and $180 , 000 and that this distribution is approximately bell-shaped.
Answers: 2
Mathematics, 21.06.2019 15:00
Find the balance at the end of 4 years if 1000 is deposited at the rate of
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Mathematics, 21.06.2019 18:00
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, 21.06.2019 20:10
Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52
Answers: 2
How large a sample size is needed to estimate the mean annual income of people in a certain county,...
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