Summative Test & Mastery Test

Question 1

A box of candies contains 10 yema candies, 8 sampaloc candies, and 6 bucayo candies. Eduardo randomly choose a candy, eat it, and then randomly chooses another candy. What is the probability that Eduardo chose a yema candy, and then, a sampaloc candy?

Answer 1

10/69

Question 2

The probability of a head landing up when you flip a coin is ½. What is the probability of getting both tails if you flip it again?

Answer 2

1/2

Question 3

If a coin is tossed 3 times, what is the probability of observing at least 2 heads?

Answer 3

1/6

Question 4

It is a new event that contains all of the outcomes that are in at least one of the events

Answer 4

Union of two events

Question 5

Are events which do not have any common outcome

Answer 5

Mutually exclusive event

Question 6

It is a new event that contains all of the outcomes that are in both events

Answer 6

Intersection of two events

Question 7

Are events which share at least one common outcome

Answer 7

Not mutually exclusive events

Question 8

It is called_____event if the occurrence of one of the events gives us no information about whether or not the other event will occur

Answer 8

Independent event

Question 9

It is called_____event when the outcome of one event affects the outcome of another event

Answer 9

Dependent event

Question 10

It is the set of all outcomes in an experiment

Answer 10

Event

Question 11

What type of event is the given problem “ Drawing a king from a deck of cards and then without replacing the king, drawing a queen from the same deck of cards.”

Answer 11

Dependent event

Question 12

Brian likes to wear colored shirts. He has 10 shirts in the closet, 3 of these are blue, 4 are in different shades of red, and the rest are of mixed or different color. What is the probability that he will wear a blue or a red shirt?

Answer 12

3/10 + 4/10

Question 13

If a die is rolled once. What is the probability of obtaining an even number?

Answer 13

1/2

Question 14

A box contains 3 red balls, 5 yellow balls, and 2 blue balls. If a ball is picked at random from the box, what is the probability that a ball picked is a blue ball?

Answer 14

1/5

Question 15

A bowl contains chips numbered 1 to 20. If a chip is drawn randomly from the bowl, what is the probability that it is a perfect square or a number that is divisible by 4?

Answer 15

7/20

Question 16

A bowl contains chips numbered 1 to 15. If a chip is drawn randomly from the bowl, what is the probability that it is a 5 or a number divisible by 3?

Answer 16

2/5

Question 17

A restaurant serves a bowl of candies to their customers. This bowl of candies Gabriel receives has 10 chocolate candies, 8 coffee candies, and 12 caramel candies. After Gabriel chooses a candy, he eats it. Find the probability of getting a chocolate candy or not a caramel candy

Answer 17

3/5

Question 18

Carl’s basketball shooting records indicate that for any frame, the probability that he will score in a two point shoot is 30%, three- point is 45% and neither is 25. What is that he will score either in a two point shoot or in a three point shoot

Answer 18

75%

Question 19

Of 24 students, 7 are on the honor roll, 9 are the varsity team, and the rest are both an honor roll and on a varsity team. What is the probability that a randomly selected student is on the honor roll or is a member of varsity team?

Answer 19

2/3

Question 20

A box contains 7 white marbles and 7 red marbles. What is the probability of getting getting 2 white marbles and 1 red marble in succession without replacement

Answer 20

7/52

Question 21

In shuffling a deck of cards, what is the probability in getting a heart?

Answer 21

13/52

Question 22

Two dice are thrown once, what is the probability of getting two numbers that are both perfect squares

Answer 22

1/9

Question 23

If the two coins are tossed, what is the probability of getting the same side?

Answer 23

1/2

Question 24

How many outcomes will there be in the sample space if you throw 5 coins?

Answer 24

32

Question 25

It refers to activities which could repeated over and over again and have welll defined results

Answer 25

Experiments