Mutually Exclusive/Inclusive Events

If you draw one card from a standard deck, what is the probability of drawing a 5 or a diamond?  Are the events inclusive or mutually exclusive?

• Inclusive
• Mutually Exclusive

If you draw one card from a standard deck, what is the probability of drawing a 5 or a diamond?

• 2/52
• 4/52
• 16/52
• 26/52

If you draw one card from a standard deck, what is the probability of drawing a spade or a red card?  Are the events inclusive or mutually exclusive?

• Inclusive
• Mutually exclusive

If you roll one die, what is the probability of getting an odd number or a 4?

• 2/3
• 1/3
• 1/2
• 1/6

Which formula do you use when two events are mutually exclusive?

• P(A or B) = P(A) + P(B)
• P(A or B) = P(A) + P(B) - P(both)
• P(A and B) = P(A) * P(B)
• P (A and B) = P(A) * P(B|A)

Tags

CCSS.HSS.CP.B.7

Which formula do you use when two events are NOT mutually exclusive?

• P(A or B) = P(A) + P(B)
• P(A or B) = P(A) + P(B) - P(A or B)
• P(A and B) = P(A) * P(B)
• P (A and B) = P(A) * P(B|A)

Tags

CCSS.HSS.CP.B.7

Two events are mutually exclusive if:

• they cannot happen at the same time
• they can happen at the same time
• they always happen 
• they never happen 

Tags

CCSS.HSS.CP.B.7

The complement of rolling a 3 is:

• Rolling an odd number

• Not rolling a 3

• Rolling an even number

What is the probability of rolling an even number or an odd number?

• 0
• 1/4
• 1
• 3/4

A die is rolled.  What is the probability of rolling a 5 or a number greater than 3?

• 2/3
• 1/2
• 5/6
• 1