Jonah's cell phone came with 64 gb of memory he has used 15 gb he then uses 5 gb of memory to record photos and videos from a trip. use the addition expression 64+(-15)+(-5) to find how much memory is left on his phone

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)