| 1 |
The probabilyt density function p (x) cannot exced. |
- A. zero
- B. One
- C. Mean
- D. Infinity
|
| 2 |
If the random variable X denotes the number of heads when three distinet coins are tossed,then X assumes the value. |
- A. 0.1.2.3
- B. 1,3,3,1
- C. 1,2,3
- D. None of these
|
| 3 |
Mean, Median and mode of binomial distribution can be equal if |
- A.
- B. P < q < 1/2
- C. P > q < 1/2
- D. P <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">≠</span> q
|
| 4 |
If in binomial distribution, μ = 6, p = 3/5, the number of trial are: |
- A. 18
- B. 30
- C. 10
- D. None of these
|
| 5 |
A fair coin is tossed four times the probability of getting four heads is |
- A. 1/4
- B. 1/2
- C. 4/6
- D. 1
|
| 6 |
If X and Y are independent random variables , the E (XY) is equal to. |
- A. E(XY)
- B. E(X) E(Y)
- C. XE(Y)
- D. YE(X)
|
| 7 |
The probability of success changes from trial to trial, is the property of: |
- A. Binomial experiment
- B. Hypergeometric experiment
- C. Both A and B
- D. None of these
|
| 8 |
The number of possible outcomes in Bernoulli trial is |
- A. Three
- B. Four
- C. Two
- D. One
|
| 9 |
If x is discrete random variable, then the function f (x) is. |
- A. A probability function
- B. A density function
- C. A probability density function
- D. A distribution function
|
| 10 |
Random numbers are generated from the single digit numbers. |
- A. { 1,2,3,............. 10 }
- B. { 0, 1,2,.......................... 10}
- C. { 0,1,2.............}
- D. {0,1,2,............. 9}
|
