Question

a. A coin is tossed 20 times, the number of
times head occured is 12 and tail occured
is 8. What is a probability that a tail
will turn up on the coin
7
a) 3/5 b) 4/7 c) 2/5 d) 8/21
please explain it step by step l need to present this question on blackboard in class​

Answer 1

Answer:

favourable event = 8

possible event = 20

probability = favourable event / possible event

= 8/20 = 2/5

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