Probability

Two coins are tossed. What is the probability that both land on "heads"?

• 1

• 1/2

• 1/4

• 1/5

What is the probability of rolling a 5 twice in a row on a six-sided number cube?

• 1/18

• 1/6

• 1/12

• 1/36

What is the probability that the spinner lands on green three times in a row?

• 1/64

• 1/4

• 1/32

• 3/16

What will be the probability of getting an odd number if a die is thrown?

• 1/3

• 1/2

• 1/6

• 2/3

Given P(E) = 0.07, find the complementary probability of E.

• 0.93

• 0.07

• 0.093

• 0.72

An event in the probability that will never be happened is called as ___.

• Unsure event

• Certain to happen event

• Possible event

• Impossible event

A bag contains 6 green marbles, 6 orange marbles, 6 blue marbles and 13 pink marbles. What is the probability of drawing a pink marble followed by a green marble (without replacement)?

• 19/61

• 78/961

• 13/155

• 31/65

16 names were placed into a hat - 7 boys and 9 girls. Names are drawn randomly and not placed back. What is the probability that the first name was a boy and the second was a girl?

• 16/31

• 21/80

• 63/256

• 35/46

On a spinner, there are the numbers 1 to 10. What is the probability that the spinner will land on an even number 2 spins in a row?

• 1/4

• 1/2

• 4/5

• 2/9

If three coins are tossed simultaneously, what is the probability of getting two heads together?

• 1/8

• 5/8

• 3/8

• 1/2