
Probability Concepts and Calculations

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the probability of disjoint events?
Probability of A plus probability of B
Probability of A times probability of B
Probability of A plus probability of B minus probability of A and B
Probability of A minus probability of B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If events A and B are disjoint, what is the probability of A and B?
Depends on the events
0
0.5
1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a problem where A and B are disjoint, if P(A) = 0.34 and P(B) = 0.45, what is P(A or B)?
0.69
0.89
0.59
0.79
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability of A and B if P(A) = 1/4, P(B) = 3/4, and P(A or B) = 1/2?
1/3
1/2
1/5
1/4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the probability of drawing an ace or a spade from a deck of cards?
Add the probabilities of drawing an ace and a spade
Subtract the probability of drawing a spade from the probability of drawing an ace
Multiply the probabilities of drawing an ace and a spade
Add the probabilities of drawing an ace and a spade, then subtract the probability of drawing the ace of spades
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability of drawing an ace or a spade from a standard deck of cards?
4/13
3/13
1/2
1/4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If P(A or B) = 0.52, P(A) = 0.17, and P(B) = 0.35, are the events A and B disjoint?
No, because P(A and B) is not zero
No, because P(A or B) is less than P(A) plus P(B)
Yes, because P(A and B) is zero
Yes, because P(A or B) equals P(A) plus P(B)
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