# ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 243 - 248 of 472

Access detailed explanations (illustrated with images and videos) to **472** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. *Unlimited Access for Unlimited Time*! View Sample Explanation or View Features.

Rs. 300.00 or

How to register?

## Question number: 243

» Probability » Distribution Functions and Properties

### Question

Which of the following statement is/are incorrect regarding a cumulative distribution function ?

### Choices

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

a. | is continuous from the right. | |

b. | have limits from left | |

c. | is increasing | |

d. | None of the above |

## Question number: 244

» Probability » Probability Distributions » Multinomial

### Question

If where, then, ________.

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. | None of the above |

## Question number: 245

» Probability » Probability Distributions » Bernoulli

### Question

If is a Bernoulli trials process with parameter, then will be ________with parameter________?

### Choices

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

a. | Non- Bernoulli trials, | |

b. | Bernoulli trials, 1- | |

c. | Bernoulli trials, | |

d. | All of the above |

## Question number: 246

» Probability » Discrete and Continuous Random Variables

### Question

Z is the number of reading sessions a randomly chosen public library offers in their literacy program for kids. Is the random variable Z discrete or continuous?

### Choices

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

a. | Can’t say anything | |

b. | Discrete | |

c. | Sometime discrete sometime continuous | |

d. | Continuous |

## Question number: 247

» Probability » Probability Distributions » Exponential

### Question

If be independent random variables, with having an distribution. Then the distribution of min is ________.

### Choices

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

a. |
| |

b. |
| |

c. |
| |

d. | None of the above |

## Question number: 248

» Probability » Probability Distributions » Bernoulli

### Question

Suppose that a student takes a multiple choice test. The test has 20 questions, each of which has 4 possible answers (only one correct). If the student blindly guesses the answer to each question, do the questions form a sequence of Bernoulli trials? What will be the parameter (probability of giving correct answer)?

### Choices

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

a. | Yes and | |

b. | No but | |

c. | Can’t say anything | |

d. | Insufficient information. |