The diagram below represents the shape of the floor of a hotel lobby The hotel plans on replacing the carpet in the lobby 12
1 141
12
13 ft
31 ft
Part A: What is the total area of the hotel lobby floor?

Part B: If the new carpet costs $1.75 per square foot how much with the hotel spend on new carpet?

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?