| 36. | If the value of x is less than μ of standard normal probability distribution then the |
| a. | z-statistic is negative |
| b. | z-statistic is positive |
| c. | f(x) will be even number |
| d. | f(x) will be prime number |
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Answer: (a).z-statistic is negative
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| 37. | The 2600 applications for home mortgage are received by a bank and the probability of approval is 0.78 then the standard deviation of binomial probability distribution is |
| a. | 2028 |
| b. | 546.16 |
| c. | 446.16 |
| d. | 646.16 |
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Answer: (c).446.16
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| 38. | The type of continuous distribution in which the probability is constant is classified as |
| a. | rectangular distribution |
| b. | square distribution |
| c. | open frequency distribution |
| d. | class frequency distribution |
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Answer: (a).rectangular distribution
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| 39. | If the value of interval a is 4 and the value of interval b is 5 then the variance of uniform distribution is |
| a. | 6.75 |
| b. | 4.75 |
| c. | 5.75 |
| d. | 0.75 |
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Answer: (a).6.75
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| 40. | The formula such as mn ⁄ (m + n)² (m + n + 1) is used to calculate |
| a. | variance in exponential distribution |
| b. | variance in alpha distribution |
| c. | variance in gamma distribution |
| d. | variance in beta distribution |
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Answer: (d).variance in beta distribution
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