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Probability and Statistics Quiz 1 Flashcards | StudBud
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Probability and Statistics Quiz 1
Probability and Statistics Quiz 1
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Answers
1
What is the probability of getting 2 heads when you flip 2 coins at the same time?
4/4
2/4
1/4
3/4
2
The probability of getting a number divisible by 5 when you roll a die is 1/6
False
True
3
Which of the following is a discrete random variable?
The average amount of electricity consumed
The average weight of the female teachers
The number of patients in the hospital
The amount of paints use to paint the school wall
4
The probability of getting a number less than 5 when you roll a die is 3/6 or 1/2
False
True
5
The Probability distribution table below is valid
True
False
6
Variables that are expressed as whole and countable refers to continious random variable.
True
False
7
The number of school lunches sold during the month is an example of a continuous random variable.
True
False
8
All Probability must add up to 1
False
True
9
What is the probability of drawing a heart in a deck of cards? (Consider joker as part of the card)
10/52
13/52
10/54
13/54
10
The number of student in Ecalro Academy is an example of discrete random variable
True
False
11
The Probability distribution table below is valid.
True
False
12
Which of the following random variables is NOT continuous?
Number of goals scored by a hockey team.
Lifetime of a AAA battery.
Time it takes to commute to work.
Amount of gasoline in a car.
13
The probability of you passing the subject "Probability ans Statistics" is 1/2.
False
True
14
The number of cups of coffee that Maam Nico drinks each day is an example of what random variable?
Infinite Random Variable
Continious Random Variable
Discrete Random Variable
Finite Random Variable
15
Your weight before breakfast each morning is an example of what random variable?
Continous Random Variable
Infinite Random Variable
Discrete Random Variable
Finite Random Variable