A survey asks a random sample of 1500 adults in Ohio if they support an increase in the state sales tax from 6% to 7%, with the additional revenue going to education. Let denote the proportion in the sample that say they support the increase. Suppose that 40% of all adults in Ohio support the increase. The standard deviation of X is closest to:

a. 25.

b. 105.

c. 360.

d. 19.

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

hope to and hope that my answer is brainliest.(follow me )

the answer is mp

step-by-step explanation:

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