Identify the type of sampling used (random, systematic, convenience, stratified, or cluster sampling) in the situation described below In a poll conducted by a certain research center, 1054 adults were called after their telephone numbers were randomly generated by a computer, and 94% were able to correctly identify the attorney general. Which type of sampling did the research center use? a. Stratified sampling
b. Random sampling
c. Cluster sampling
d. Convenience sampling
e. Systematic sampling

Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

Aadc is formed by reflecting aabc across line segment ac, as shown in the figure. if the length of ac is 4 units, the area of aadc is square units.