Probability with Playing Cards Quiz

What does the probability formula help us determine?

• The number of events in a sequence

• The time taken for an event to occur

• The likelihood of an event occurring

• The exact outcome of an event

If you have five cards and only one is a nine, what is the probability of picking a nine?

• 1/2

• 1/3

• 1/4

• 1/5

How is the probability of an event expressed as a percentage?

• By subtracting 100 from the decimal

• By dividing the fraction by 100

• By adding 100 to the fraction

• By multiplying the decimal by 100

What is the probability of picking an odd number from a set of five cards, all of which are odd?

• 50%

• 75%

• 100%

• 25%

When the numerator and denominator of a probability fraction are the same, what is the decimal equivalent?

• 0.25

• 1

• 0.75

• 0.5

If there are three cards with hearts out of five, what is the probability of picking a heart?

• 4/5

• 3/5

• 1/5

• 2/5

What is the probability of picking a queen if there are no queens in the set of cards?

• 100%

• 50%

• 20%

• 0%

What do we call an event with a probability of 0%?

• Certain event

• Impossible event

• Likely event

• Unlikely event

If you want to pick either a three or a five from five cards, and there is one of each, what is the probability?

• 4/5

• 3/5

• 2/5

• 1/5

How do you convert a probability fraction to a decimal?

• Subtract the denominator from the numerator

• Add the numerator and denominator

• Divide the numerator by the denominator

• Multiply the numerator by the denominator