| 1 |
Each trial of binomial experiment results in an outcome which can be classified in two categories |
- A. Head or tail
- B. Ace or six
- C. Success and failure
- D. None of these
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| 2 |
The expected value of a discrete random variable is. |
- A. Always an integer
- B. Always one of the values that the random variable can assume
- C. An interal of values
- D. None of these
|
| 3 |
If C is a non -random variabe than E (C) is. |
|
| 4 |
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
|
| 5 |
Binomial distribution is used when n is |
- A. Large
- B. Small
- C. Negative
- D. Zero
|
| 6 |
When X denotes the number of success in binomial experiment, it is called. |
- A. Random variable
- B. Binomial random variable
- C. Continuous random variable
- D. Both (B) and (C) but not (A)
|
| 7 |
if X and Y are independent random varaibesl the S.D. (X-Y) is equal to |
- A. Var (X) - var (Y)
- B. Var (X) + Var (Y)
- C. E(X-Y)2
- D. E(X + Y)2
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| 8 |
Mean of hypergeometric distribution is |
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| 9 |
In binomial distribution, the random variable has a range: |
- A. 0,1,2...................n
- B. 0,1,2,......+∞
- C. -∞ to +∞
- D. ∞ to +0
|
| 10 |
Probility density function is the probebilyt function of.............. random variable. |
- A. Discrete
- B. Qualitative
- C. Continuous
- D. None
|
