According to a survey by accountemps, 48% of executives believe that employees are most productive on tuesdays. suppose 200 executives are randomly surveyed.
a. what is the probability that fewer than 90 of the executives believe employees are most productive on tuesdays?
b. what is the probability that more than 100 of the executives believe employees are most productive on tuesdays?
c. what is the probability that more than 80 of the executives believe employees are most productive on tuesdays?

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e. g. 98.76543).

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?