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Author Question: The probability density function for the number of red marbles in a randomly selected sample of ... (Read 152 times)

rmenurse

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on: Jun 24, 2018

  The probability density function for the number of red marbles in a randomly selected sample of colored marbles is given below. What is the probability that there are 3 or fewer marbles in the sample chosen?
 
 

  a.0
  b.0.55
  c.1.00
  d.0.05

Question 2


  What does P(X = k) equal to for a discrete random variable?
 

  a.P(X = k) = sum of the probabilities of all simple events for which X = k
  b.P(X = k) = k
  c.P(X = k) = product of the probabilities of all simple events for which X = k
  d.P(X = k) =


Natalie4ever

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

correct: c

Answer to Question 2

correct: a


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rmenurse

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Reply #2 on: Jun 24, 2018
Thank you


Natalie4ever

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Reply #3 on: Jun 24, 2018
No problemo


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