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Author Question: The number of electrical outages in a city varies from day to day. Assume that the number of ... (Read 58 times)

geoffrey

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on: Jun 24, 2018
The number of electrical outages in a city varies from day to day. Assume that the number of electrical outages (x) in the city has the following probability distribution. x f(x) 0 0.80 1 0.15 2 0.04 3 0.01 The mean and the standard deviation for the number of electrical outages (respectively) are
 a. 2.6 and 5.77
  b. 0.26 and 0.577
  c. 3 and 0.01
  d. 0 and 0.8

Question 2

An experiment consists of determining the speed of automobiles on a highway by the use of radar equipment. The random variable in this experiment is a
 a. discrete random variable
  b. continuous random variable
  c. complex random variable
  d. simplex random variable


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Sarahjh

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Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

B


geoffrey

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Reply 2 on: Jun 24, 2018
Wow, this really help

xiaomengxian

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Reply 3 on: Yesterday
:D TYSM

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