| 1 |
the discrete probability distributio may be represented by. |
- A. A table
- B. A graph
- C. A mathematical equation
- D. All of these
|
| 2 |
Its value cannot be exactly examined. |
- A. Ranodm variable
- B. Fixed varaible
- C. Mathematical variable
- D. Variable
|
| 3 |
The binomial distribution is symmetrical if |
- A. p = 1/2
- B. P > 1/2
- C. p < 1/3
- 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 |
A copntinuous probability distribution may be represented by. |
- A. A table
- B. a graph
- C. A mathmethical equation
- D. Botha b and c
|
| 5 |
In binomial experiment successive trials are: |
- A. Dependent
- B. Independent
- C. May be independent or dependent
- D. None of these
|
| 6 |
Random number can be generated manully by |
- A. Dawing cards from numbered cards
- B. Roitaing or spinning numbered wheels
- C. Use of random numbers table
- D. All of these
|
| 7 |
The parameters of hypergeometric distribution are:<br> |
- A. n,k & p
- B. n, k & q
- C. n, p & q
- D. n, k & N
|
| 8 |
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)
|
| 9 |
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)
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| 10 |
In a discriete probability distribution the sum of all the probabilities is alwyas |
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