The mass of yeast in a culture, measured in milligrams, at time t hours is modeled by the function y defined above, where f is a continuous function such that f(12)=20.

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take