Mathematics, 27.04.2021 06:50 alyssagibson6057
In order to estimate the mean amount of time computer users spend on the internet each month, how many
computer users must be surveyed in order to be 90% confident that your sample mean is within 14 minutes
of the population mean? Assume that the standard deviation of the population of monthly time spent on the
internet is 221 min. What is a major obstacle to getting a good estimate of the population mean? Use
technology to find the estimated minimum required sample size.
Answers: 3
Mathematics, 21.06.2019 18:00
The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
Answers: 1
In order to estimate the mean amount of time computer users spend on the internet each month, how ma...
Spanish, 27.08.2020 01:01
Mathematics, 27.08.2020 01:01
Mathematics, 27.08.2020 01:01
History, 27.08.2020 01:01
English, 27.08.2020 01:01
Mathematics, 27.08.2020 01:01
Mathematics, 27.08.2020 01:01
Spanish, 27.08.2020 01:01
Mathematics, 27.08.2020 01:01
Biology, 27.08.2020 01:01
Social Studies, 27.08.2020 01:01
Mathematics, 27.08.2020 01:01