Page 1 of 1

PLEASE EXPLAIN HOW I WOULD DO THIS ON A TI-84 CALCULATOR. THANK YOU!

Posted: Tue Jul 12, 2022 11:37 am
by answerhappygod
PLEASE EXPLAIN HOW I WOULD DO THIS ON A TI-84CALCULATOR. THANK YOU!
Please Explain How I Would Do This On A Ti 84 Calculator Thank You 1
Please Explain How I Would Do This On A Ti 84 Calculator Thank You 1 (225.4 KiB) Viewed 30 times
A medical researcher wants to investigate the amount of time it takes for patients' headache pain to be relieved after taking a new prescription painkiller. She plans to use statistical methods to estimate the mean of the population of relief times. She believes that the population is normally distributed with a standard deviation of 25 minutes. How large a sample should she take to estimate the mean time to within 3 minutes with 90% confidence? Sample Size = You have attempted this problem 0 times. You have unlimited attempts remaining. Page generated at 07/12/2022 at 12:19am CDT WeBWorK 1996-2019| therme: math4 | ww_version: WeBWorK-2.14 | pg_version PG-2.14| The WeBWorK Project