Answer: 0.0228 .
Step-by-step explanation:
Given, IQ scores are approximately normally distributed with a mean of 100 and standard deviation of 15
Let X denotes the IQ score.
Then, the proportion of people with IQs above 130 is
Hence, the proportion of people with IQs above 130 is 0.0228 .
48 qrts * 25 barrels per trip = 1200 qrts get picked up per trip
1200 qrts * 1 hr/7qrts = 171.43 hrs to fill all 25 barrels
171.43 hrs * 1 day/24hrs = 7.14 days
They are the same because 1/3 is 1 divide 3 is equal to 0.33333333 which is like forever 3 so it would be 0.33