A research scientist wants to know how many times per hour a certain strand of bacteria reproduces. He wants to construct the 80%80% confidence interval with a maximum error of 0.160.16 reproductions per hour. Assuming that the mean is 8.68.6 reproductions and the standard deviation is known to be 22, what is the minimum sample size required for the estimate? Round your answer up to the next integer.

six digits cordnate grids are gayyy

step-by-step explanation:

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )