A political science professor would like to estimate the difference in the proportion of young voters and older voters in his state who believe that Congress has the same priorities as them. He wants to take a
sample of young voters and a sample of older voters to construct a two-sample z interval.
Which of the following are conditions for this type of interval?
Choose all answers that apply:
А)
The voters within each sample are independent, and the samples are independent of each
other.
B
The study includes an equal number of young and older voters.
С
Both samples include at least 30 voters.

d. is the correct answer

step-by-step explanation:

this answer is !

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3

if you are looking for the unit rate then the answer would be 9 because unit rate is distance divided by time.

step-by-step explanation: