For the following set of scores: 1,4,3,5,7 (a) If the scores are a population, what are the variance and standard deviation?

(b) If the scores are a sample, what are the variance and standard deviation?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost