PDo Homework - Section 7.2 - Personal - Microsoft Edge https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld%3585708584&questionld31&flushed=false&cld%36320940... Winter 2021 Statistics-Rio...

Extracted text: PDo Homework - Section 7.2 - Personal - Microsoft Edge https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld%3585708584&questionld31&flushed=false&cld%36320940... Winter 2021 Statistics-Rio (1) Alyssa Ruiz & | 01/22/21 12:54 PM Homework: Section 7.2 Save Score: 0 of 1 pt 7 of 8 (2 complete) ▼ HW Score: 20.83%, 1.67 of 8 pts 7.2.29-T Question Help ▼ An IQ test is designed so that the mean is 100 and the standard deviation is 14 for the population of normal adults. Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 90% confidence that the sample mean is within 2 IQ points of the true mean. Assume that o = 14 and determine the required sample size using technology. Then determine if this is a reasonable sample size for a reál world calculation. The required sample size is. (Round up to the nearest integer.) Enter your answer in the answer box and then click Check Answer. Check Answer 1 part remaining Clear All