Let the random variable X count the number of times a randomly selected student's internet connection gets disrupted while doing schoolwork.  The table below gives the random variable's probability distribution.  Fill in the missing value that ensures the table is a valid probability distribution.  x P(X=x) 0 0.49 1   2 0.13 3 0.09 4 0.01   Compute the probability that a randomly selected student's internet connection does not go out at all. P(X=0)=    Compute the probability that a randomly selected student's internet connection gets disrupted at least twice.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Let the random variable X count the number of times a randomly selected student's internet connection gets disrupted while doing schoolwork. 

  • The table below gives the random variable's probability distribution.  Fill in the missing value that ensures the table is a valid probability distribution. 
x P(X=x)
0 0.49
1  
2 0.13
3 0.09
4 0.01

 

  • Compute the probability that a randomly selected student's internet connection does not go out at all.

P(X=0)= 

 

  • Compute the probability that a randomly selected student's internet connection gets disrupted at least twice.
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