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Long Quiz #1 in Statistics & Probability Flashcards | StudBud

Explore/Long Quiz #1 in Statistics & Probability

Long Quiz #1 in Statistics & Probability

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Questions 4

Answers

1
Which of the following is a discrete random variable?
The average weight of female athletes
The amount of paint used in repainting a building
The average amount of electricty consumed
The number of patients in a hospital
2
If two coins are tossed, which is NOT a possible value of the random variable for the number of heads?
1
3
2
0
3
Which formula gives the probability distribution shown by the table?
P(X) = 1/6
P(X) = X/6
P(X) = 6/X
P(X) = 1/X
4
Which of the following is NOT A TRUE statement?
The value of a random variable could be zero
The probability of the value could be zero
The sum of all probabilities is always equal to 1
Random variables can only have on value