A survey found that the american family generates an average of 17.2 pounds of glass garbage each year.Assume the standard deviation of the distribution is 2.5 poumds. Find the probability that the mean of a sample of 55 families will be between 17 and 18 pounds.

### Recently Asked Questions

- What are the reasons why the 1998 Human Rights Act was really needed?

- how do I use the fzero function to solve this problem in matlab 2xy-40e^x=0 x^2-y=50 the solution for x lies near 0.

- the mean is 10 10 in and the is standard deviation is 2in (a) What percent of the fish are longer than 11 inches (b) if 500 fish are randomly selected,