2022年最新のModule-0問題集PDFでModule-0リアル試験問題解答 [Q23-Q47]

2022年最新のModule-0問題集PDFでModule-0リアル試験問題解答

有効なModule-0テスト解答とCAA Global Module-0試験PDF問題を試そう

質問 23
Determine which of the following function is equal to (2+ x)3

A. 6+ 3x + 3X2+ x3
B. 8 + 4x + 2X2+ x3
C. 8 + 12x + 2X2+ x3
D. 1+ 3x + 3X2+ x3

正解: C

質問 24
Let a and b be two positive numbers and let m and n be two positive integers.
Identify which of the followingequalities is false.
A)

B)

C)

D)

A. Option C
B. Option B
C. Option A
D. Option D

正解: D

質問 25
Simplify the expression:

A)

B)

C)

D)

A. Option B
B. Option D
C. Option C
D. Option A

正解: A

質問 26
Let X be a continuous random variable with probability density function f(x) that is defined over all real numbers.
DefineE[g(X)]whereg(x)is a continuous function.
A)

B)

C)

D)

A. Option
B. Option
C. Option
D. Option

正解: A

質問 27
Identify which of the following statements about statistical measures for a set of data is false.

A. The range can be greater than the largest value.
B. The sample variance is always smaller than or equal to the largest value.
C. The sample variance is always greater than or equal to zero.
D. The range is always greater than or equal to zero.

正解: A

質問 28
Calculate the scalar product of the vectors A and B. where A = (5,10, 2) and B - (2. 3, 3).

A. 0
B. 1
C. 2
D. (10,30,6)

正解: D

質問 29
Let X and Y be two independent random variables.
Identify which of the following statements is false.

A. E[X-Y] =E [X] - E [Y]
B. E [XY] E [X] E [Y]
C. E[X2] = E[X]E[X]
D. E[2X] = 2E [X

正解: C

質問 30
A weekly pet insurance premium is given by a solution of the following equation:
4x2-11x-3 = 0
Calculate the premium.

A. -£0.75
B. -£0.25
C. -£1
D. -£3

正解: D

質問 31
A basketball squad contains 7 players. The team that lines up on the court tor the start of a match contains 5 ofthe players Calculate how many different teams can be fielded from the squad of 7 players

A. 0
B. 1
C. 2,520
D. 2

正解: D

質問 32
Identify the necessary and sufficient condition under which the quadratic equation ax2+ 2a2x + a3= 0 hasone repeated real root.

A. a = 0
B. a>0
C. a<0
D. a0

正解: B

質問 33
Identify which of the following statements is correct.
For a continuous random variable X, the distribution function evaluated at X= x measures:

A. P(X = x)
B. P(X<x)
C. P(xx)
D. P(X>x)

正解: B

質問 34
Determine the binomial expansion of (2x-X2)3.

A. -x6+3x5-3x4+x3
B. -x8+2xa-4x4+8x3
C. -X6+8x3
D. -x6+2x5-4x4+8x3

正解: D

質問 35
Identify which of the following is not true about the population variance of a set of data.

A. It can be calculated as
B. Its positive square root gives the standard deviation
C. It can be calculated as
D. It is represented by the symbol

正解: A

質問 36
Let x and y be two positive real numbers.
Rewrite the following equation such that y becomes the subject of the formula:

A)

B)

C)

D)

A. Option C
B. Option D
C. Option B
D. Option A

正解: A

質問 37
Identify which of the following statements are true.
I.Skewness measures how peaked a set of data is
II.Skewness is a measure of asymmetry of the distribution of the data about its mean.
III. For a symmetrically distributed data, the mean equals the median but not necessarily the mode IV. The value of a measure of skewness can be positive, zero or negative.