Robert's engineering team is working on a plan for building a new straight road to the top of a hill in his town. He must make sure that the grade, or the angle of elevation the road forms with a flat road, is 6". The height of the hill is 100 feet.
100 ft
6°
What is the approximate length of the road in feet?
101 ft.
201 ft.
951 ft.
957 ft.

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?

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

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