A polling organizations wants to sample the opinions of low-, medium-, and high-income people.

Which sampling strategy is best suited for this purpose?

A.

convenience

B.

simple random

C.

stratified random

D.

systematic

The ratio of dogs to cats at the animal shelter is 4:5 if there are 20 cats how many dogs are there

Evaluate n/6 + 2 when n=12

Solve the equation. 4.9x + 4.4 = 19.1 A. 4 B. 3 C. 7.2 D. 4.8

Witch number line represents the solutions to [x+4] = 2

Write 58% as a fraction in simplest form

54.4% of tickets sold to a movie are sold with a popcorn coupon, and 45.6% are not. You want to calculate the probability of selling exactly 6 tickets with popcorn coupons out of 10 total tickets (or 6 successes in 10 trials).

Arron just paid $7.40 for a new pair of sunglasses. His father told him that prices were different 10 years ago. Then his grandfather told him that 20 years ago, prices were even better.

A dump truck is careying 4250 pounds of gravel. There are 2000 pounds in a ton. Express the weight of the gravel in tons only by using a mixed number. If necessary, simplify the fraction part of the mixed number.

A marketing research company desires to know the mean consumption of milk per week among males over age 25. They believe that the milk consumption has a mean of 2.5 liters, and want to construct a 85% confidence interval with a maximum error of 0.

Four friends go mout to dinner and decides to split the bill evenly. each friend orders a soda for 2.00, an entree for 12.99 and they all four share a dessert for 7.99 how much is the total bill