Jambmaths

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Maths Question
Question 41

Score

4

7

8

11

13

8

Frequency

3

5

2

7

2

1

The mean score is

Question 42

Teams P and Q are involved in a game of football. What is the probability that the game ends in a draw?

Question 43

If 6Pr = 6, find the value of 6Pr +1

Question 44

The graph above shows the cumulative frequency of the distribution of Masses of fertilizer for 48 workers in one institution. Which of the following gives  interquartile range.

Question 45

The histogram above shows the distribution of passengers in taxis of a certain motor park. How many taxis have more than 4 passengers?

Question 46

Colour

Blue

Black

Yellow

White

Brown

No of beads

1

2

4

5

3

The distribution of colour of beads in a bowl is given above. What is the probability that a bead selected at random will be blue or white.

Question 47

Find the variance of 2,6,8,6,2 and 6

Question 48

The bar chart above shows different colours of cars passing a particular point on a certain street in two minutes. What fraction of the total number is yellow.

Question 49

Find the number of ways of selecting 8 subjects from 12 subjects for an examination 

Question 50

Find the range ${\scriptstyle{}^{1}\!\!\diagup\!\!{}_{6}\;},{\scriptstyle{}^{1}\!\!\diagup\!\!{}_{3}\;},{\scriptstyle{}^{3}\!\!\diagup\!\!{}_{2}\;},{\scriptstyle{}^{8}\!\!\diagup\!\!{}_{9}\;}\text{ and }{\scriptstyle{}^{4}\!\!\diagup\!\!{}_{3}\;}$

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