Write the metric unit of mass that you would use to measure each of the following. then estimate the mass. question? tennis ball and horse and aspirin

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?

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?