Mathematics, 26.10.2019 13:43 purplefive85
Suppose a clothing store wants to determine the current percentage of customers who are over the age of forty. how many customers should the company survey in order to be 92% confident that the estimated (sample) proportion is within 5 percentage points of the true population proportion of customers who are over the age of forty?
z0.16 z0.08 z0.04 z0.02 z0.01
0.994 1.405 1.751 2.054 2.326
use the table of values above.
Answers: 3
Mathematics, 21.06.2019 14:10
Abaker makes 186 cookies. some are chocolate chip and some are oatmeal raisin, and both kinds are made with and without nuts, as shown in the table above. because they are more popular, the baker made 2/3 of the cookies chocolate chip. if a chocolate chip cookie is chosen at random, what is the probability that it will have nuts? a) 21/93 b) 21/62 c) 41/93 d) 21/41
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Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers
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36x2 + 49y2 = 1,764 the foci are located at: a) (-√13, 0) and (√13,0) b) (0, -√13) and (0,√13) c) (-1, 0) and (1, 0)
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Suppose a clothing store wants to determine the current percentage of customers who are over the age...
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