Grade 8

Question 1

How many is the total probability?

Accepted Answer

1

Question 2

It is a simple graph that displays data at different time intervals.

Accepted Answer

Line

Question 3

A box contains 6 red pens, 4 blue pens, and 2 black pens. What is the probability of randomly picking a black pen?

Accepted Answer

\frac{1}{6}

Question 4

How many different ice cream combinations can be made using 3 flavors for a single or double scoop?

Accepted Answer

9

Question 5

A standard deck of cards has 52 cards. What is the probability of drawing a heart?

Accepted Answer

\frac{1}{4}

Question 6

A spinner is divided into 8 equal sections. What is the probability of the spinner landing on an even number?

Accepted Answer

\frac{1}{2}

Question 7

How many different sandwiches can be made using 2 breads, 3 fillings, and 2 sauces?

Accepted Answer

12

Question 8

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of drawing a red?

Accepted Answer

\frac{5}{10}

Question 9

How many 4-letter codes can be formed using the letters A, B, C, and D if repetition of letters is allowed?

Accepted Answer

256

Question 10

In tossing a coin two times, what is the probability of getting two heads?

Accepted Answer

\frac{1}{4}

Question 11

In how many ways can John arrange 4 books on a shelf?

Accepted Answer

24

Question 12

The type of probability founded on the thinking and judgment of the individual or own belief.

Accepted Answer

Subjective Probability

Question 13

A die is rolled once. What is the probability of getting a number less than 5?

Accepted Answer

\frac{2}{3}

Question 14

The chance that an event will happen or occur.

Accepted Answer

Probability

Question 15

How many different ways can 5 books be arranged on a shelf?

Accepted Answer

120

Questions 15