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Midterms_Wk1_L2_Finding Possible Values in a Random Variables

Quiz by IZZA BUGARZO

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10 questions
Show answers
  • Q1

    A set of numerical values assigned to a sample space is called.

    Random variable

    Random sample

    Random experiment 

    Random process

    30s
  • Q2

    Which of the following is a true statement?

    The variable is a known value

    The probability of all the values of a random variable could be zero.

    Random variables can only have one value.

    The value of a random variable could not be zero.

    30s
  • Q3

    If a coin is tossed, what are the possible values of the random variable for the number of tails?

    0,1

    1, 2, 3

    0, 1 , 2

    0,1,2, 3

    45s
  • Q4

    Suppose you tossed three coins. What are the sample spaces for the experiment?

    TTT, HHH, HHT, THT, HTH

    TTT, TTH, THT, HTT, HHT, HTH, THH, HHH

    TTT, HHH, TTH, THT, HTH

    HHH, TTT

    60s
  • Q5

    Suppose you tossed three coins. How many possible outcomes will occur from the experiment?

    4

    2

    6

    8

    45s
  • Q6

    Suppose you tossed three coins. What are the possible values of the random variable for the number of heads?

    0, 1, 2

    1, 2, 3

    0, 1, 2, 3

    0, 1

    45s
  • Q7

    Suppose you tossed three coins. What are the possible values of the random variable for the number of tails?

    0, 1, 2

    1, 2, 3

    0, 1, 2, 3

    0, 1

    45s
  • Q8

    Suppose you tossed three coins. Which of the following is NOT a possible value of the random variable for several heads?

    1

    4

    2

    3

    45s
  • Q9

    Suppose you tossed three coins. Which of the following is NOT a possible value of the random variable for several tails?

    1

    3

    4

    2

    45s
  • Q10

    Suppose two laptops are tested.D represents defective and N is non-defective. Give the possible sample spaces

    DD, DN, NN

    DD, ND, NN

    DD, DN, NN, ND

    DD, NN

    45s

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