Class 9

Probability question bank (Maths)

Practice 101 free Class 9 Maths - Probability questions with answers and step-by-step solutions.

Q1.

$A$ coin is tossed $1000$ times with the following frequencies:
Head : $455$ Tail : $545$
Compute the probability for each event.

(A)
$0.455, 0.545$
(B)
$0.555, 0.555$
(C)
$0.444, 0.445$
(D)
$0.335, 0.635$
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Q2.

Two coins are tossed simultaneously $500$ times,and we get:
Two heads : $105$ times
One head : $275$ times
No head : $120$ times
Find the probability of occurrence of each of these events.

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