C. Choose the letter that corresponds to the correct answer. 1. In testing hypotheses, what test statistics is to be used if the population variance (o) or the population standard deviation (a) is known? A. acceptance region B. rejection region C. t test D. z test 2. The value derived from the table defined by a in which the computed test statistic will be compared in stating the decision rule for hypotheses testing. A. computed value B. critical value C. mean D. variance 3. In a left-tailed test, what must be the critical value of z, if a 0.001? В.-3.291 A.-3.090 C. 3.090 D. 3.291 4. In a problem where t-test should be used, what is its degree of freedom if the sample size is 11? A. -11 В. -10 С. 10 D. 11 5. Which of the following sample size is not possible when the Central Limit Theorem is applied? А. 11 В. 35 C. 50 D. 100

Q: 4 csc x = -8

A: here, 4 csc x = -8 or csc x = -2. x lies in 3rd and 4th quad.

Q: xp X = 49

A:

Q: A=135 -1

A:

Q: (3) (-25)

A: Given : 312-934÷-2.5

Q: P multiplied by 16

A:

Q: P x 293 = 1236

A: The given equation is,

Q: A 46 20 В C

A:

Q: 133x=57

A: Given that 13^(3x)=57

Q: what is the answer to this p - 83 = 129

A: To simplify the expression  follow the following steps, Add 83 both side of the expression,

Q: please answer 35

A: The given differential equation is       3y’’’ + 5y’’ + y’ - y = 0  . . . . . . . . . . . . (1)…

Q: Please answer D

A: (a) Given that the percentage of stadiums have just built in the past 20 years is, P=15%=15/100=0.15…

Q: +240 2.4 5.6

A: To solve the given algebra problem.

Q: 323four-211four=?

A:

Q: how did you get 20?

A: We denote the number of unique r-selections or combinations out of a group of n objects by nCr.…

Q: Estimate: 7. 9. 15 - 3. |3D -으

A: We have to simplfy

Q: The meam and stand

A: Given,

Q: 234

A: On Addition of  234 + 3423

Q: Y-12=34

A: Y  - 12= 34 Y         = 34 + 12

Q: Evaluate -% - - 0.1 - ½ (-4.5)

A:

Q: 221four + 131four=

A: Here first we convert base four number to base ten number and then add it. Again convert base ten…

Q: Divide and simplify the following expression. 2-81 z-9 z+ 9 2 -81 z-9 (Simplify your answer.) z+9

A:

Q: 649 divided by 4

A: 1649 divided by 4 =?

Q: How did you get 360?

A: We need to determine how we get A=360 in^2

Q: Susan bought 12 colored pencils. Of these pencils, were red, and were green. How many more red…

A: Number pencils

Q: 121 divided by 11

A: The given statement is "121 divided by 11".

Q: $2937 were donated by Mr. Garcia and Mr. Lin. Mr. Garcia donate $1450. How much money did Mr. Lin…

A: Given that total money donated by Mr. Garcia and Mr. Lin. is  $2937.

Q: Rufus collected 18 pounds of aluminum cansto recycle. He plans to collect an additional 2pounds each…

A: Explanation of the answer is as follows

Q: 72 divided by 12

A: 72 divided by 12

Q: how did you get 210 and 330?

A: