Quiz about Statistics And Probability

Question 1

The letter tiles shown are placed in a bowl. Matt selects one tile from the bowl.

![](http://admin.getprephub.com/media/editor/q19_20230329202203522116.png)
What is the probability that Matt will select one of the letters in the word "JUMP"?

Accepted Answer

Covalent bond

Answer

$$\frac{2}{5} $$

Answer

$$ \frac{2}{7} $$

Answer

$$ \frac{1}{5} $$

Answer

$$\frac{3}{5}$$

Question 2

A student has a set of cards. Each card has a picture of one shape. The table shows the number of cards that have a picture of each shape. The student will randomly select one card from the set.

![](http://admin.getprephub.com/media/editor/Screenshot%202023-06-07%20at%203.28.35%20PM_20230607133138726633.png)
Which statement is true?

Accepted Answer

Covalent bond

Answer

C The probability of selecting a card with a picture of a circle is $$ \frac{1}{5}$$, and the probability of selecting a card that is not a picture of a circle is $$ \frac{4}{5} $$.

Answer

B The probability of selecting a card with a picture of a circle is $$\frac{3}{8} $$, and the probability of selecting a card that is not a picture of a circle is $$ \frac{5}{8}$$.

Answer

A The probability of selecting a card with a picture of a circle is $$\frac{5}{8} $$, and the probability of selecting a card that is not a picture of a circle is $$ \frac{3}{8} $$.

Answer

D The probability of selecting a card with a picture of a circle is $$\frac{4}{5} $$, and the probability of selecting a card that is not a picture of a circle is $$\frac{1}{5}$$.

Question 3

The table shows the numbers of different colors of pencils in a pencil case. A student will randomly select one pencil from the pencil case.
![](http://admin.getprephub.com/media/editor/Screenshot%202023-06-06%20at%204.49.37%20PM_20230606144950134793.png)
Based on the information in the table, which statement is true?

Accepted Answer

Covalent bond

Answer

G The pencil is 4 times as likely to be purple as it is to be red.

Answer

F The pencil is least likely to be blue

Answer

H The pencil is equally likely to be blue or green.

Answer

J The pencil is more likely to be purple than all other colors combined.

Question 4

Look at this graph .
![](http://admin.getprephub.com/media/editor/Screenshot%202023-05-19%20at%206.38.55%20PM_20230519164131353580.png)
Fill in the blanks.
The total for Action and Comedy was _____ (less than/ the same as /greater than) the total for Fantasy.
![](http://admin.getprephub.com/media/editor/Screenshot%202023-05-19%20at%206.38.55%20PM_20230519164131353580.png)

Accepted Answer

Covalent bond

Answer

Greater than

Answer

The same as

Answer

Less than

Answer

None of the above

Question 5

A principal wants to know if students at a particular high school are in favor of a new dress code at their school. The principal is not able to ask the opinion of every student at the school, so she needs to select an appropriate sample of the students to represent the high school.
Select which sample of students the principal should choose.

Accepted Answer

Covalent bond

Answer

Students randomly selected from a list of all students at the school.

Answer

Students sitting at randomly selected tables in the library.

Answer

Students she selects from the hallway between classes.

Answer

Students selected by the teachers.

Statistics And Probability Class 7 Maths Problems and Solutions

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