bmharris8262
06.05.2020 •
Mathematics
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.
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