A random sample of students was surveyed and asked to list their grade level and whether or not they have a pet. Results are shown in the table below, but some values
are missing. Fill in the missing values.
Pets Survey
Pets No Pets Total
6th grade
30
7th grade
12
23
8th grade 19
Total
48
90

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)