Simple Probability and Its Complement

An unlikely chance event is closer to what number?

• 0

• 1

• 2

• 3

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?

• 2/7

• 3/7

• 5/7

• 1

The letters that form the word MATHEMATICS are placed in a bowl. What is the probability of choosing a letter that is a vowel?

• 7/11

• 4/11

• 3/11

• 2/11

If I spin 35 times, how many times should the color yellow show up?

• 1

• 5

• 7

• 10

What is the probability of landing on a number greater than or equal to 4?

• 5/8

• 4/8

• 1/2

• 2/3

P(1 or green)?

• 1/8

• 1/4

• 1/3

• 2/3

The probability of a car having a defect when coming off the assembly line is 3/1000 . Last year 12 cars had defects. How many cars were manufactured in total last year?

• 1000

• 2000

• 3000

• 4000

The list shows all possible outcomes for which experiment?

S = { (heads, heads), (heads, tails),

(tails, tails), (tails, heads) }

• Flipping a coin one time

• Flipping a coin two times

• Flipping a coin three times

• Flipping a coin four times

A spinner has a 1/5 chance of landing on green. How many times is this event likely to occur if you repeat the trial 85 times?

• 68

• 42.5

• 37

• 17

The table shows the probability of drawing a number ticket from a jar. If eighteen tickets are randomly drawn, how many tickets would be expected to have a number that is odd?

• 2 tickets

• 4 tickets

• 6 tickets

• 8 tickets