| 11. | If the value of p is smaller or lesser than 0.5 then the binomial distribution is classified as |
| a. | skewed to right |
| b. | skewed to left |
| c. | skewed to infinity |
| d. | skewed to integers |
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Answer: (a).skewed to right
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| 12. | If the μ is equal to 8 then the standard deviation of exponential probability distribution is |
| a. | 0.425 |
| b. | 0.125 |
| c. | 0.225 |
| d. | 0.325 |
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Answer: (b).0.125
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| 13. | In binomial distribution, the formula of calculating mean is |
| a. | μ = p + q |
| b. | μ = np |
| c. | μ = pq |
| d. | μ = qn |
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Answer: (b).μ = np
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| 14. | The value which is obtained by multiplying the possible values of random variable with the probability of occurrence and is equal to weighted average is called |
| a. | discrete value |
| b. | weighted value |
| c. | expected value |
| d. | cumulative value |
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Answer: (c).expected value
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| 15. | The number of products manufactured in a factory in a day are 3500 and the probability that some pieces are defected is 0.55 then the mean of binomial probability distribution is |
| a. | 1925 |
| b. | 6364 |
| c. | 63.64 |
| d. | 3500 |
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Answer: (a).1925
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