Module-0 Practice CAA Global Verified Answers - Pass Your Exams For Sure! [2021]
Valid Way To Pass CAA qualification's Module-0 Exam
NEW QUESTION 31
Identify which of the following statements is correct.
- A. In (nx)
- B. In(x)+ in(n)
- C. x in(n)
- D. n in (x)
Answer: D
NEW QUESTION 32
Suppose A and B are two events and that A denotes the complement of A.
Identify the false statement.
A)
B)
C)
D)
- A. Option D
- B. Option B
- C. Option A
- D. Option C
Answer: C
NEW QUESTION 33
A student is trying to estimate the root of the equation
Determine which of the suggestions will lead to the root.
- A. II and IV only
- B. I and II only
- C. II and III only
- D. I and IV only
Answer: B
NEW QUESTION 34
Identify which of the following statements is correct.
For a continuous random variable X, the distribution function evaluated at X= x measures:
- A. P(xx)
- B. P(X>x)
- C. P(X = x)
- D. P(X<x)
Answer: D
NEW QUESTION 35
Calculate the sum of the following series: 3, -6,12, -24,..., -1.536.
- A. -1,023
- B. 3,069
- C. -3,833
- D. 0
Answer: A
NEW QUESTION 36
Identify which of the following is not true about the population variance of a set of data.
- A. Its positive square root gives the standard deviation
- B. It is represented by the symbol
- C. It can be calculated as
- D. It can be calculated as
Answer: C
NEW QUESTION 37
Determine
A)
B)
C)
D)
- A. Option D
- B. Option B
- C. Option A
- D. Option C
Answer: D
NEW QUESTION 38
Identify which of the following statements is not true.
- A. The variance is the square of the standard deviation.
- B. The standard deviation is a measure of how much variation from the mean exists in a probability distribution.
- C. The skewness is a measure of the asymmetry of a probability distribution about the mean.
- D. The coefficient of skewness for a symmetric distribution is 1.
Answer: B
NEW QUESTION 39
Determine the stationary point(s) for the following function
- A. Minimum at x = 1 and minimum at x = 3.
- B. Maximum at x = 1 and maximum at x = 3.
- C. Minimum at x = -3 and maximum at x = -1.
- D. Minimum at x = -1 and maximum at x = -3.
Answer: D
NEW QUESTION 40
Let X and Y be two independent random variables.
Identify which of the following statements is false.
- A. E[X2] = E[X]E[X]
- B. E [XY] E [X] E [Y]
- C. E[2X] = 2E [X
- D. E[X-Y] =E [X] - E [Y]
Answer: A
NEW QUESTION 41
Let X be a random variable.
identify which of the following statements is correct.
A)
B)
C)
D)
- A. Option D
- B. Option A
- C. Option C
- D. Option B
Answer: D
NEW QUESTION 42
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 D
- B. Option B
- C. Option A
- D. Option C
Answer: D
NEW QUESTION 43
Identify which of the following statements is not true about the probability density function of a continuous random variable.
- A. Integrating it across its domain must produce an answer of 1.
- B. Differentiating it gives the cumulative distribution function.
- C. It must be non-negative.
- D. It could be greater than 1.
Answer: D
NEW QUESTION 44
Consider the function f(x) =x2- 5x - 3
The value of one of the roots of the above equation can be obtained by using the iteration formula
Apply the iteration formula to determine the value of the root.
- A. 4.40
- B. 1.54
- C. 0.54
- D. 5.53
Answer: A
NEW QUESTION 45
Calculate the scalar product of the vectors A and B. where A = (5,10, 2) and B - (2. 3, 3).
- A. 0
- B. (10,30,6)
- C. 1
- D. 2
Answer: B
NEW QUESTION 46
Consider the function f(x)x2 6x=20. This functions has a stationary point at x=3.
Determine the nature of this stationary point and how we know this to be true.
- A. It is a minimum stationary point because the second derivative of the function with respect to x takes the value 2 which is positive.
- B. It is a minimum stationary point because the value of the function at x = 3 is 11, which is positive.
- C. It is a maximum stationary point because the value of the function at x = 3 is 11, which is positive.
- D. It is a maximum stationary point because the second derivative of the function with respect to x takes the value 2, which is positive.
Answer: B
NEW QUESTION 47
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. 2,520
- B. 0
- C. 1
- D. 2
Answer: D
NEW QUESTION 48
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