# Probability-Probability Distributions (ISS Statistics Paper I (New 2016 MCQ Pattern)): Questions 6 - 10 of 109

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to **404** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

## Question number: 6

» Probability » Probability Distributions » Exponential

### Question

The moment generating function of an exponential random variable *X* with parameter λ (for t < 1/λ) is:

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. | All of the above |

## Question number: 7

» Probability » Probability Distributions » Normal

### Question

Suppose marks of students in a test are normally distributed. If the test has a mean of 100 and a standard deviation of 10, what is the probability that a student who gives the test will score between 90 and 110?

### Choices

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

a. | 0.84 | |

b. | 0.68 | |

c. | 0.16 | |

d. | All of the above |

## Question number: 8

» Probability » Probability Distributions » Rectangular

### Question

Which of the following statement is/are not correct regarding a random variable?

### Choices

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

a. | A random variable can be uniformly distributed in | |

b. | A random variable can be uniformly distributed in ( . | |

c. | Both a. and b. are correct | |

d. | None of the above |

## Question number: 9

» Probability » Probability Distributions » Binomial

### Question

Let binomial distribution . Let , the moment generating function of is________?

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. | None of the above |

## Question number: 10

» Probability » Probability Distributions » Hypergeometric

### Question

If the population size is and the sample size is , then the value of finite population correction factor is ________.

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. | Question does not provide sufficient data or is vague |