Mathematics, 15.04.2020 17:43 berlyntyler
A simple random sample of 20 third-grade children from a certain school district is selected, and each is given a test to measure his/her reading ability. You are interested in calculating a 95% confidence interval for the population mean score. In the sample, the mean score is 64 points, and the standard deviation is 12 points.
What is the margin of error associated with the confidence interval?
A. 2.68 points
B. 4.64 points
C. 5.62 points
D. 6.84 point
Answers: 3
Another question on Mathematics
Mathematics, 21.06.2019 14:00
Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit
Answers: 2
Mathematics, 21.06.2019 14:30
Translate the following situation into an inequality statement . lily has $25 to spend on a charm bracelet for her sisters birthday gift the cost of the bracelet is $12 plus $1.50 per charm
Answers: 1
Mathematics, 21.06.2019 19:20
Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)
Answers: 1
Mathematics, 21.06.2019 20:30
Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.
Answers: 3
You know the right answer?
A simple random sample of 20 third-grade children from a certain school district is selected, and ea...
Questions
Mathematics, 05.05.2020 03:38
Health, 05.05.2020 03:38
History, 05.05.2020 03:38
Mathematics, 05.05.2020 03:38
Mathematics, 05.05.2020 03:38
Law, 05.05.2020 03:38
English, 05.05.2020 03:38
Spanish, 05.05.2020 03:38
Biology, 05.05.2020 03:38
