If 3 coins were tossed, compute the mean and standard deviation of the number of tails that occur.​

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)