Mathematics, 21.10.2020 17:01, sleepyflower10
A DVD rental store wants to know what proportion of its customers are under age 21. A simple random sample of 400 customers was taken, and 280 of them were under age 21. Presume that the true population proportion of customers under age 21 is 0.68. What is the probability that the sample proportion \hat{p} is within 0.03 of the true proportion of customers who are under age 21 that is , what is the probability that \hat{p} is between 0.68 - 0.03 and 0.68 0.03
Answers: 3
Mathematics, 21.06.2019 18:00, coolkid20034
Need on this geometry question. explain how you did it.
Answers: 1
Mathematics, 21.06.2019 22:40, btaylor1179
Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.
Answers: 3
Mathematics, 21.06.2019 23:30, xelynncaldera
In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.
Answers: 1
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