MATH 3RD QUARTER Chapter 3-4

Question 1

Which of the two events are not mutually exclusive

Answer 1

Drawing a card from a deck and getting a club or an ace

Question 2

Which of the two events are mutually exclusive

Answer 2

Tossing two coins and getting two heads or two tails

Question 3

In the box there are 6 white marble and 3 blend marble and 1 red marble if a marble is selected at random what is the probability that it is red or blue

Answer 3

5

Question 4

When a single die is rolled what is the probability of getting a prime number (2,3 or 5)

Answer 4

2

Question 5

A store owner plans to have his annual “Going out of business sale” if each month has an equal chance of being selected find the probability that the sale will be in a month that begins with the letter j or m

Answer 5

5
-
12

Question 6

A card is selected from a deck of 52 cards find the probability that it is a red queen or a black ace

Answer 6

1
-
13

Question 7

At a high-school with 300 students plays foot 33 plays basketball and 14 plays both sports if a student is selected at random find the probability that the student play football or basketball

Answer 7

27
-
100

Question 8

A card is selected from a deck find the probability that it is face card or a diamond

Answer 8

11
-
26

Question 9

A single card is selected from a deck find the probability that it is a queen or a black card

Answer 9

7
-
13

Question 10

Two dice are rolled what is the probability of getting double or a sum of 10

Answer 10

9

Question 11

The probability that a family visit safari zoo is 0.65 and the probability that a family rides on the Mt. Tourist railroad is 0.55 the probability that a family does both is 0.43 find the probability that the family visits the zoo or the railroad

Answer 11

0.77

Question 12

If a card is drawn from a deck what is the probability that it is a king queen or an ace

Answer 12

3
-
13

Question 13

Which of the following events are dependent

Answer 13

Sitting in the sun all day and getting sunburn

Question 14

Three dice are rolled what is the probability of getting three 4s

Answer 14

1
-
216

Question 15

What is the probability of selecting 4 spades from a deck of 52 cards if each cards is replaced before the next one is selected

Answer 15

2561

Question 16

A die is rolled five times what is the probability of getting 5 twos

Answer 16

32

Question 17

A coin is tossed four times what is the probability of getting 4 heads

Answer 17

16

Question 18

If 25% of us prison inmates are not us citizens what is the probability of randomly selecting three inmate who will not be us citizens

Answer 18

0.015625

Question 19

If three people are randomly selected find the probability that they will all have birthday in June

Answer 19

1728

Question 20

In a simple of 10 telephone 4 are defective if three are selected random and tested what is the probability that all will be defective

Answer 20

6

Question 21

A boy contain 4 blue marbles and 5 red marbles if 2 marbles are selected at random without replacement what is the probability that both will be blue

Answer 21

6

Question 22

If two people are selected of random from the phase book of a large city find the probability that they were both born on Saturday

Answer 22

49

Question 23

The numbers 1 to 12 are placed in a hat and a number is selected what is the probability that the number is 4 given that it is known to be an even number

Answer 23

6

Question 24

Three coins are tossed what is the probability of getting 3 heads if it is known that at least two heads were obtained

Answer 24

4

Question 25

In a certain Groupon people it is known that 40% of the people take vitamins c and e on a daily basis it is known that 75% takes vitamins c on a daily basis if a person is selected at random what is the probability that the person takes vitamins 4 given the person takes vitamins c

Answer 25

15