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.

Will give brainliest plz hurry lexie surveyed 4 teenagers to find out approximately how many hours, per week, they read for fun, and how many siblings they have. brooke said she reads about 10 h a week for fun, and that she has 5 siblings. celia said she has 1 brother and 1 sister and reads for fun about 3 h each week. henry said he has 2 brothers and reads for fun about 30 min each week. jude said he doesn't read for fun and has 3 brothers and 3 sisters. use this information to complete the data table. express your answers as whole numbers or decimals. name hours of fun number of siblings brooke celia __ henry jude

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.