| 1 |
The probability of continuous random variable at x = a is__________. |
- A. One
- B. Zero
- C. Between
- D. More then one
|
| 2 |
If y =-7x then E(y) = ............... |
- A. E(x)
- B. -7X
- C. -7E(X)
- D. Zero
|
| 3 |
Var (B/aX) =? |
- A. 1/aVar(X)
- B. b<sup>2</sup>/a<sup>2</sup> Var(X)
- C. b<sup>2</sup>/a Var(X)
- D. None of these
|
| 4 |
a measure of the chance that an uncertain event will occur. |
- A. An experiment
- B. An event
- C. A probability
- D. A trail
|
| 5 |
The simplest form of the continues distribution is the |
- A. Skewed distribution
- B. Kurtic distribution
- C. Binomial distribution
- D. Uniform distribution
|
| 6 |
Why are the outcomes of a coin tossing mutually exclusive. |
- A. The outcome of any toss is not affected by teh outcome of those preceding it.
- B. Both a head and a tail cannot turn up on any one toss
- C. The probability of getting a head and the probability of getting a tail is the same.
- D. All of these
|
| 7 |
When two dice are rolled, the maximum totla on the two faces of dice will be. |
|
| 8 |
The probability of red card out of 52 cards is. |
- A. 1/4
- B. 1/2
- C. 4/52
- D. zero
|
| 9 |
E(X ± Y) =.............. |
- A. E(X) + E(Y)
- B. E(X) - E (Y)
- C. E(x) ± E (Y)
- D. None of these
|
| 10 |
The probability of drawing two acea from apack of 52 cards with replacement is. |
- A. 1/169
- B. 1/10
- C. 1/4
- D. 1/256
|
