Question

1. In a cricket match a batsman hits a boundary 6 times out of 30 balls he plays. Find the probability that he will

(i) hit a boundary in the next ball.

(ii) not hit boundary in the next ball.

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Answer 1

Answer:

Given

Totalnumberofballsplayed=30

Numberoftimesbatsmanhitsaboundary=6

Numberoftimesbatsmandoesnothitaboundary=30−6=24

Probabilitythatonaballplayedhedoesnothitsaboundary

=

Totalnumberofballsplayed

Frequencywhenthebatsmandoesnothitsaboundary

=

30

24

=0.8

Answer 2

(i) $\frac{3}{10}$ or 0.2

(ii) $\frac{14}{15}$ or 0.8