2. There are 168 hours in a week. How
many hours are there in (18 weeks?
A
1,462 hours
B 1,860 hours
C 3,024 hours
D 18,094 hours

And explain how you got it so i can understand future problems : 3

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?

Reflect the point (7,0) across the y-axis