# Discrete Probabilty Distribution

**Question description**

I need the following calculated and answered in an Excel Spreadsheet

1:

The director of admissions at Kinzua University in Nova Scotia estimated the distribution of student admissions for the fall semester on the basis of past experience.

Admissions | Probability |

1,010 | 0.6 |

1,380 | 0.3 |

1,600 | 0.1 |

1. | What is the expected number of admissions for the fall semester? |

Expected number of admissions |

2. | Compute the variance and the standard deviation of the number of admissions. |

2: It is reported that 22% of American households use a cell phone exclusively for their telephone service. In a sample of seventeen households, find the probability that:

a. | No household uses a cell phone as their exclusive telephone service. |

Probability |

b. | Exactly 10 households exclusively use a cell phone for telephone service. |

Probability |

c. | Find the mean number of households exclusively using cell phones. |

11

## Tutor Answer

## 8 Reviews

**Quality**

**Communication**

**On Time**

**Value**

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors