In a store, a sample of 60 pens was selected from a box of 1,200 pens. of these 60, 4 pens did not work. about how many pens could be expected to not work in the group of 1,200 pens?

What is the solution of log2  (3x  -  7)  =  3? 4 5

What is the prime factorization of 230

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)