Mathematics, 09.04.2020 02:25 Conner5459
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: 2
Mathematics, 21.06.2019 21:30
Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.
Answers: 3
Mathematics, 21.06.2019 21:50
6x + 3y = -6 2x + y = -2 a. x = 0, y = -2 b. infinite solutions c. x = -1, y = 0 d. no solution
Answers: 1
Mathematics, 21.06.2019 23:00
72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.
Answers: 1
A DVD rental store wants to know what proportion of its customers are under age 21. A simple random...
History, 02.09.2019 08:30
Mathematics, 02.09.2019 08:30
Spanish, 02.09.2019 08:30
Mathematics, 02.09.2019 08:30
Chemistry, 02.09.2019 08:30
Spanish, 02.09.2019 08:30
Physics, 02.09.2019 08:30
Mathematics, 02.09.2019 08:30
Business, 02.09.2019 08:30
English, 02.09.2019 08:30
Mathematics, 02.09.2019 08:30
Biology, 02.09.2019 08:30