Assume that a national fitness study reports that 10% of millenials exercise daily. suppose that a researcher surveys a random sample of 250 millenials regarding their daily exercise habits. assume that is a binomial random variable that represents the number of millenials in the sample who exercise daily. compute the mean and standard deviation of the sampling distribution of . report as a whole number and as a decimal precise to two decimal places.

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

What is the measure of angle x? answer