a. What is the null and alternative hypothesis? b. What is the test statistic to be used, the appropriate critical region and the actual value of the test statistic? c. What is the statistical decision and statistical conclusion?

Q: -9=x-4

A: -9 + 9 = x - 4 + 9

Q: 6x+7 = y

A: We have to find x

Q: X+2 4 +7= - x+9 X

A:

Q: 4x + 5 = -7

A: To solve the equation: 4x + 5 = -7

Q: %3D +29-2X -34 %3D

A:

Q: x + 5x-80 = 4

A:

Q: 5a +7=10

A: 5a + 7 = 10 Subtract 7 on both side, 5a =3

Q: Find 8 + 10 + 12+...+324.

A:

Q: 3x-(4+5x)=12

A: We will find the value of x.

Q: Y=2×+1 3×+2y=16

A: y=2x+1   ....(1)3x+2y=16 .....(2)Two equations with 2 variables are given;can be solved by…

Q: 6. Write the addition and multiplication tables for Z7.

A:

Q: 5 9. 3.

A: If two chords of a circle intersect each other then the product of line segments of one chord is…

Q: x2+9x=-14

A: Given equation is x2+9x=-14 The equation can be solved by splitting the middle term.…

Q: When a hot object is placed in a water bath whose temperature is 25°C, it cools from 100°C to 50°C…

A:

Q: Evaluate 6y2, when y=3

A: We can find the answer as below using the following steps.

Q: Evaluate x2 + 5x, for x = 6.

A: x2+5x, x=6

Q: ц. 14 G - Сб 24

A: Here given 14*√6 - 6*√24

Q: Y=2x+5 and x=-3

A:

Q: Find a4 when a1 = 3 and r = - 2

A:

Q: Find 6x+y, when x=1 and y=7

A: Given: Find 6x+y, when x=1 and y=7

Q: Evaluate x2 - 6x + 3, for x = 7

A: We have to evaluate x2-6x+3 for x=7. Let Px=x2-6x+3 Now, at x=7 P7=72-6·7+3=49-42+3=52-42=10

Q: What is 5x +6x =

A: We need to add

Q: Evaluate (4r +1) dr -2

A:

Q: Find SR 12 2x +1 5 + 4x

A:

Q: 10=2x+30

A: -10 would be correct answar.

Q: x2+9x=-14

A:

Q: 2x-4y=-22 2x-3y=-19

A:

Q: x2+16x=?

A: factorization of quadratic

Q: why is the one on the left? and why does it go after 2 instead of 3?

A:

Q: - 14 = X + 12

A: given that    -14 = X + 12

Q: x² + 8x + 15 =

A: