Solve.t - (-10) = 9
A. -19
B. 1
C. 19
D. -1
Answer: D
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A hypothesis test is to be performed. Describe the two possible outcomes of the test using the context of the given situation.Last month the average waiting time at a bank was 8.4 minutes. The manager has installed a new computer system and claims that people will no longer have to wait as long.The hypotheses are as follows:Null hypothesis: average waiting time = 8.4 minutes Alternative hypothesis: average waiting time < 8.4 minutes
A. Rejecting the null hypothesis means there is evidence that the mean waiting time is not equal to 8.4 minutes. Failing to reject the null hypothesis means there is insufficient evidence to conclude that the mean waiting time is less than 8.4 minutes. B. Rejecting the null hypothesis means there is insufficient evidence that the mean waiting time is equal to 8.4 minutes. Accepting the null hypothesis means there is evidence to conclude that the mean waiting time is equal to 8.4 minutes. C. Rejecting the null hypothesis means there is evidence that the mean waiting time is less than 8.4 minutes. Failing to reject the null hypothesis means there is insufficient evidence to conclude that the mean waiting time is less than 8.4 minutes. D. Rejecting the null hypothesis means there is evidence that the mean waiting time is less than 8.4 minutes. Accepting the null hypothesis means there is evidence to conclude that the mean waiting time is equal to 8.4 minutes.
Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = u(u - 1), u = x2 + x
A. 4x3 + 6x2 - 1 B. 4x3 + 6x2 - 2x C. 2x2 + 4x + 1 D. 2x2 + 4x
Complete the syllogism so that it is valid and the conclusion is true. Answers may vary.No animal raised as a pet has been successfully reintroduced into the wild.Some animals born in captivity have been successfully reintroduced into the wild.?
What will be an ideal response?
Provide an appropriate response.The system of equations below contains three equations. Choose one equation, isolate a variable by rearranging the equation, and substitute that equation into both the other equations. This will result in two equations with only two variables, which can be solved by any means studied thus far.x + y + 2z = 92x - y + z = 3x + 3y - z = 4
A. (1, 2, 3) B. (2, 5, 1) C. (1, 3, 6) D. (-1, 5, 10)