26. | The formula of mean of uniform or rectangular distribution is as |
a. | mean = 4(b + a) ⁄ 2b |
b. | mean = (b + a) ⁄ 2 |
c. | mean = (b - 2a) ⁄ 4 |
d. | mean = (2a + 2b) ⁄ 2a |
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Answer: (b).mean = (b + a) ⁄ 2
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27. | The normal distribution is also classified as |
a. | Gaussian distribution |
b. | Poisson distribution |
c. | Bernoulli's distribution |
d. | weighted average distribution |
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Answer: (a).Gaussian distribution
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28. | The probability which explains x is equal to or less than particular value is classified as |
a. | discrete probability |
b. | cumulative probability |
c. | marginal probability |
d. | continuous probability |
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Answer: (b).cumulative probability
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29. | If the sample size is 6 and the population is 50 from which it is drawn without replacement and the elements for success are 22 then the variance of hyper geometric probability distribution is |
a. | 1.388 |
b. | 2.388 |
c. | 3.388 |
d. | 4.388 |
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Answer: (a).1.388
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30. | The types of probability distributions by taking their functions of considerations must include |
a. | posterior probability distribution |
b. | discrete probability distribution |
c. | continuous probability distribution |
d. | both b and c |
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Answer: (d).both b and c
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