# ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 224 - 230 of 472

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## Question 224

### Question

MCQ▾The entropy of a Laplace variable with the following c. d. f is ________

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

## Question 225

### Question

MCQ▾If be independent random variables, with having an distribution. Then the is ________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. | All of the above |

## Question 226

### Question

MCQ▾Five cards are drawn from a deck of cards with replacement. What is the probability of drawing club, spade and heart?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 0.058 | |

b. | 0.029 | |

c. | 0.117 | |

d. | 0.124 |

## Question 227

### Question

MCQ▾If follows geometric distribution then is________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. | All of the above |

## Question 228

### Question

MCQ▾We roll a four sided die. If the result is 1 or 2, we roll once more but otherwise we stop. What is the probability that the sum total of our rolls is at least 4?

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

## Question 229

### Question

MCQ▾Which of the following situation/situations can be analyzed using Poission distribution?

### Choices

Choice (4) | Response | |
---|---|---|

a. | Birth defects and genetic mutations | |

b. | Spread of an endangered animal in Africa | |

c. | Number of typing errors on a page | |

d. | All a., b. and c. are correct |

## Question 230

### Question

MCQ▾A is known to tell the truth in 3 cases out of 8 and he states that a white ball was drawn from a bag containing 6 blacks and 2 white ball. Find the probability that the white ball was drawn.

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. | None of the above |