Mathematics, 10.03.2020 10:26 izzzzz49
An IQ test is designed so that the mean is 100 and the standard deviation is 11 for the population of normal adults. Find the sample size necessary to estimate the mean IQ score of the residents of a state if you want to be 95% confident that the sample mean is within 2 IQ points of the true mean.
The required sample size is?
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 15:30
Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next
Answers: 1
Mathematics, 21.06.2019 18:00
The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed
Answers: 2
Mathematics, 22.06.2019 00:00
What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) ā 4?
Answers: 1
You know the right answer?
An IQ test is designed so that the mean is 100 and the standard deviation is 11 for the population o...
Questions
Mathematics, 12.03.2021 06:30
Mathematics, 12.03.2021 06:30
Social Studies, 12.03.2021 06:30
Mathematics, 12.03.2021 06:30
English, 12.03.2021 06:30
Mathematics, 12.03.2021 06:30
