A computer has a list price of $1,200. It is on sale for 30% off list. What is the sale price of the computer?
) )
A $840
B $800
C) $720
D $360

Answer this question! 30 points and brainliest! only if you know the answer.

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?

This is so hard and it’s for a test