Math, asked by SuperMaxAli2547, 1 year ago

The key for a door is in the bunch of 10 keys. A man attempts to open the door by trying keys at random discarding the wrong key. The probability that the door is opened in the 5th trial is

Answers

Answered by tanishqa25
7
Probablity =no of trials in which event has
happened/total no of trails
=5/10
=0.5
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