| 46. | If the z-score of normal distribution is 2.5, the mean of the distribution is 45 and the standard deviation of normal distribution is 3 then the value of x for a normal distribution is |
| a. | 97.5 |
| b. | 47.5 |
| c. | 37.5 |
| d. | 67.5 |
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Answer: (c).37.5
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| 47. | If the μ is equal to 25 then the value of mean for exponential probability distribution is |
| a. | 0.4 |
| b. | 0.08 |
| c. | 0.07 |
| d. | 0.04 |
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Answer: (d).0.04
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| 48. | The discrete probability distribution in which the outcome is very small with a very small period of time is classified as |
| a. | posterior distribution |
| b. | cumulative distribution |
| c. | normal distribution |
| d. | Poisson distribution |
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Answer: (d).Poisson distribution
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| 49. | Considering the normal distribution, the spread is increased and the height of the curve is decreased for the |
| a. | smaller value of variance |
| b. | larger value of variance |
| c. | larger value of standard deviation |
| d. | smaller value of standard deviation |
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Answer: (c).larger value of standard deviation
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| 50. | If the number of trials are 8 and the probability of success are 0.65 then the mean of negative probability distribution is |
| a. | 8.65 |
| b. | 12.31 |
| c. | 5.2 |
| d. | 7.35 |
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Answer: (b).12.31
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