7. A sample of size 100 selected from one population has 60 successes, and a sample of size 150 selected from a second population has 95 successes. The test statistic for testing the equality of the population proportions equal to: . a. -0.5319. b. 0.7293. с. -0.419. d. 0.2702.

Q: w + 4 w + 10 6. 8.

A:

Q: k2-35=2k

A:

Q: Consider F(x) = = F(0) = 0 F'(3) = 6 F'(1) = 0 O F'(4) = 10 F'(2) = 2 I tf(t) tf(t) dt. Which of the…

A:

Q: 1b+1b

A: Applying  addition operation since terms with same variable  binomial addition

Q: w + (-7), when w = - 1

A: The expression is given by w+(-7) To evaluate: The value of the expression when w=-1.

Q: Multiply. 5/ x-4 5. 7 6 X+1

A:

Q: 2. 9=x-2y 3x + 5 = 2y

A: The given equations are system of linear equations in variables x and y. We solve these by…

Q: X5 y / x4 y6

A: Given: x5yx4y6

Q: 4 Find x. 2x -10 14

A: Given a circle with two chords intersecting each other. To find x

Q: 4a5b• V18a3b6

A: We have to find

Q: c. What is the likelihood of selecting a sample with a mean of at least $139,000? Note: Round your…

A:

Q: -3 -2 -1 1 2 0000000 3.

A:

Q: -2 -4 and D = 4 8

A:

Q: the sum of 15 and the product of 5 and z

A: Product of 5 and z is 5z Now sum of 15 and 5z is 15 + 5z