Choose the correct answer below. a sample is the collection of all outcomes, responses, measurements, or counts. b. sample is a subset of a population. c. sample is a numerical measure that describes a sample characteristic.

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.