According to the line plot, what is the difference in the totals of the runners who ran 1/2 of a mile and the runners who ran 1/3 of a mile?

Find the value of the cosine for angle a

Evaluate cos2θ for cosθ = square root of 3/2

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)