Jambmaths

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Maths Question
Question 41

The range of 4, 3 11, 9, 6, 15, 19, 23, 27, 24, 21 and 16 is

Question 42

 

Value

0

1

2

3

4

Frequency

1

2

2

1

9

 Find the mean of the distribution above

Question 43

On a pie chart, there are four sector of which three angles are 45o, 90o, and 135o. If the smallest sector represent N28.00. How much is the largest sector.

Question 44

Two dice are thrown. What is the probability that the sum of the number is divisible by 3

Question 45

If $^{n}{{P}_{3}}-6{{(}^{n}}{{C}_{4}})=0,$ find the value of n

Question 46

Find the number of committees of three that can be formed consisting of two men and one woman from men and three women.

Question 47

The mean of the numbers 3, 6, 4,x, and 7 is 5.  Find the standard deviation.  

Question 48
Question 49


The histogram above shows the ages of the victims of pollution. How many people were involved in the pollution?

Question 50

 

Number

1

2

3

4

5

6

Frequency

12

20

x

21

x – 1

28

The result of tossing a fair die 120 times is summarized above. Find the value of x

 

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