1 |
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
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2 |
N-K is classified as |
- A. Success
- B. Failures
- C. Parameters
- D. Range
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3 |
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}
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4 |
In binomial experiment successive trials are: |
- A. Dependent
- B. Independent
- C. May be independent or dependent
- D. None of these
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5 |
Variance of binomial distribution is |
- A. np
- B. <span style="color: rgb(0, 0, 0); font-family: 'Lucida Sans Unicode', 'Lucida Grande', sans-serif; font-size: 18px; line-height: 23.390625px;">√</span>npq
- C. npq
- D. nq
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6 |
For a binomial probability distribution:<div>n = 10 & the probability of failure (q =0.6), then mean of the distribution is .</div> |
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7 |
Random numbers can be generated |
- A. Manually
- B. Mechanically
- C. Botha a and b
- D. None of these
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8 |
If (E(X) = E than find arithmetic means will be. |
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9 |
A copntinuous probability distribution may be represented by. |
- A. A table
- B. a graph
- C. A mathmethical equation
- D. Botha b and c
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10 |
The mean of binomial distribution is always: |
- A. Equal to variance
- B. Less than variance
- C. Greater then variance
- D. None of the these
|