Students in mrs. walsh's math class wanted to know the favorite snacks of students in the school. how could they generate a random sample to survey?

If you answer right ill give brainliest, : )

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?