The following risk ratios give the increased risk for various diseases comparing two groups (exposed vs. unexposed). a. 2.5 (2.0, 3.0) b. 1.03 (1.02, 1.04) c. 6.0 (.85, 9.8) d. 0.98 (0.88, 1.08) e. 0.20 (.05, 1.05) Which risk ratios are statistically significant at the 0.05 le...
How would a histogram change if we increase the number of simulations? A. It would simply be more smooth. B. The p-value would get smaller. C. The standard error would get smaller. D. The distribution would be more similar to a T-distribution.
The Centers for Disease Control (CDC) collects yearly statistics on drinking behavior in the United States by surveying a random sample of U.S. adults. The following data display the percent of adults aged 18 years and over who had 5 or more drinks in 1 day at least once in th...
An electron in an x-ray machine is accelerated through a potential difference of 1x10^4 V before it hits the target. What is the kinetic energy of the electron in electron volts?
Find the largest possible degree n≤1000 of a polynomial p(x) such that: p(i)=i for every integer i with 1≤i≤n p(−1)=1671 p(0) is an integer (not necessarily 0).
(Monetary Policy and Aggregate Supply) Assume that the economy is initially in long-run equilibrium. Using an ADAS diagram, illustrate and explain the short-run and long-run impacts of an increase in the money supply.
A car leaves an intersection traveling west. Its position 5 sec later is 22 ft from the intersection. At the same time, another car leaves the same intersection heading north so that its position 5 sec later is 27 ft from the intersection. If the speed of the cars at that inst...
The total worldwide box-office receipts for a long-running movie are approximated by the following function where T(x) is measured in millions of dollars and x is the number of years since the movie's release. T(x) = (120x^2)/(x^2 + 4) How fast are the total receipts chang...
Suppose f and g are functions that are differentiable at x = 1 and that f(1) = 2, f '(1) = -1, g(1) = -2, and g '(1) = 3. Find the value of h '(1). h(x) = (x2 + 11) g(x) h '(1) =
The relationship between the amount of money x that Cannon Precision Instruments spends on advertising and the company's total sales S(x) is given by the following function where x is measured in thousands of dollars. S(x) = -0.002x3 + 0.9x2 + 4x + 500 (0 x 200) Find the r...