A college professor was proofreading someone's thesis paper and saw that their student averaged about 5 grammatical errors per page with a standard deviation of 2. If there was a total of 75 pages with errors
between 4 and 6, approximately how many pages was the entire thesis?

25

step-by-step explanation:

the answer is c. 23/3

i think the answer is b.

step-by-step explanation:

not 100% sure though.

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98