4. recall that the average dutch man is 184 cm tall, and a normal model is appropriate.
based on the 68-95-99.7 rule, the standard deviaion is about 8cm. what percentage of
all dutch men should be over 200cm (6'6") tall?

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours