Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 16:50
Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?
Answers: 1
Mathematics, 21.06.2019 18:20
The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
Mathematics, 22.06.2019 01:00
The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight
Answers: 1
Mathematics, 22.06.2019 03:00
A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95
Answers: 2
You know the right answer?
What is the distance from (6,0) to (8,0)?...
Questions
Business, 20.09.2020 15:01
History, 20.09.2020 15:01
Physics, 20.09.2020 15:01
Computers and Technology, 20.09.2020 15:01
Mathematics, 20.09.2020 15:01
Mathematics, 20.09.2020 15:01
Mathematics, 20.09.2020 15:01
Mathematics, 20.09.2020 15:01
Business, 20.09.2020 15:01
Mathematics, 20.09.2020 15:01
Mathematics, 20.09.2020 15:01
Chemistry, 20.09.2020 15:01
