A sample of 49 observations is taken from a normal population with a standard deviation of 10. the sample mean is 55. determine the 99% confidence interval for the population mean. (round your answers to 2 decimal places.)

Translate to an algebraic expression 49 more than t

Troy Ulman received his annual savings account statement, showing $78.75 in interest. If his savings account balance was $2,100 at the beginning of the year, what is his annual interest rate? 3% 0.03% 0.375% 3.75%

Tim earns $120 plus $30 for each lawn he mows. How many lawns does he need to mow to make $310.

Ms. Lopez fried 60 gorditas for the 7th and 8th grade students in Ms. Allen, Ms. Anosike, and Ms. Jackson's classes. If there are 20 students, how many gorditas each will students be able to eat?* Your answer This is a required question

Downhill skiing burns about 600 calories per hour. How many calories will you burn if you downhill ski for 3.5 hours?

In an election, 471 people voted. Candidate B received 2/3 of the votes. How many votes did Candidate B received?

Calculate eg a. 2√6 b. √55 c. √73 d. 4.125

If f (x) = - 9x + 9 and g (x) = Vx+1, what is (fºg) (24) ?

What's 2 9/10 - 2 1/3? Can't seem to get it ...

Part one) compare 8^0 and 8^-2 which is greater and explain part two) simplify (12^0) (12^6) write the answer using an exponent, explain