Damian recorded the grade-level and instrument of everyone in the middle school School of Rock below. Seventh Grade Students
Instrument # of Students
Guitar 13
Bass 4
Drums 11
Keyboard 5
Eighth Grade Students
Instrument # of Students
Guitar 5
Bass 3
Drums 8
Keyboard 11

Based on these results, express the probability that a student chosen at random will play an instrument other than guitar as a fraction in simplest form.

We just started the introduction into circles and i have no idea how to do this.

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)

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost