Which of the following statements are false? I. The precision of an estimator does not depend on the size of the population. II. The precision of an estimator does not depend on the size of the sample. III. Surveys based on larger sample sizes have larger standard errors.

Combine the information in the problem and the chart using the average balance method to solve the problem.

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.