Find the area under the standard normal curve that lies between 1 and 1, sketch a standard normal curve, and shade the area of interest.

How to solve it and what thw answer is

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)