Simple Probability

Question 1

a random event with a probability of 1/2

Answer 1

is equally likely and unlikely to happen
50/50 Chance

Question 2

probability is expressed as a number between

Answer 2

0 and 1
fractions, decimals, and percentages

Question 3

as probability moves closer to 1 the event is

Answer 3

likely to happen

Question 4

as probability moves closer to 0 the event is

Answer 4

likely not to happen

Question 5

If an event is certain, then its probability is

Answer 5

1 and
Possible

Question 6

If the probability of an event is 1/3 then the chance of the event happening is

Answer 6

unlikely

Question 7

Tossing a fair coin 7 times and getting heads every time.
What will happen on the next coin toss?

Answer 7

The coin is equally likely to land on heads or tails.

Question 8

Probability of getting and even number

Answer 8

1/2

Question 9

What is the probability of rolling a 4 on a number cube (dice)?

Answer 9

1/6

Question 10

The probability of landing on a number greater than 10

Answer 10

0 and Impossible

Question 11

A bag contains 2 blue marbles, 3 green marbles, 1 white marble and 4 red marbles.
What is the probability of selecting a blue marble? Your answer should be in simplified form.

Answer 11

1/5

Question 12

A student flips a coin 10 times and gets tails 4 times. Compare the experimental probability to the theoretical probability.

Answer 12

The experimental probability is less than the theoretical probability.