# ISS Statistics Paper I (New 2016 MCQ Pattern): Questions 253 - 256 of 404

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## Question number: 253

» Probability » Probability Distributions » Bernoulli

### Question

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

### Choices

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

a. | Bernoulli trials, | |

b. | Bernoulli trials, 1- | |

c. | Non- Bernoulli trials, | |

d. | All of the above |

## Question number: 254

» 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. | Discrete | |

b. | Continuous | |

c. | Sometime discrete sometime continuous | |

d. | Can’t say anything |

## Question number: 255

» 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: 256

» 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. |