If the mean of a test is 80 and the standard deviation is 4, how many students scored above

an 80?

50%

68%

34%

95%

which is the right answer?

Can there be more than one mean or mode in a math problem?

Express the sequence below as a recursively - defined function: 4, 11, 25, 53, 109, ...

It is possible to find linear factors of any polynomial. True False

How do we write 1/5 as a decimal?

Martha placed $2,500 in a college savings account with a simple interest rate of 5% when when Ryan was born. How much will be in the account in 18 years when her son is ready to go to college?

If a car traveled 1,001 kilometers on 151.8 liters of gas, how many kilometers per liter would it be achieving, to the nearest tenth of a kilometer? a. 0.1 b. 0.2 C. 6.5 d. 6.6

Solve for f: 6f 9g = 3g f

In January of 2006, the hotel/motel sales tax in Lafayette were 130% of the hotel/motel sales tax in January of 2005. The hotel/motel sales tax in January of 2005 were $475,000. What were the hotel/motel sales tax in January of 2006?

My question is (1.35) (27) (0) (13)

The probability that an individual is left-handed is 0.100. in a class of 12 students, what is the probability of finding five left-handers