Large Sample Proportion Problem.A survey was conducted on high school marijuana use.Of the 2266 high school students surveyed, 970 admitted to smoking marijuana at least once.A study done 10 years earlier estimated that 45% of the students had tried marijuana.We want to conduct a hypothesis test to see if the true proportion of high school students who tried marijuana is now less than 45%.Use alpha = .01.

What is the test statistic for this test?

Group of answer choices

a. (.4281 - .45)/SQRT((.4281*.5719)/2266)

b. (45 -.4281)/SQRT((.4281*.5719)/2266)

c. (45 -.4281)/SQRT((.45*.55)/2266)

d. (.4281 - .45)/SQRT((.45*.55)/2266)