Two coins were tossed 200 times and the following results were obtained.Two heads: 55One head and one tail: 105Two tails: 40What is the probability of event of obtaining minimum one head?

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Two coins were tossed 200 times and the following results were obtained.<br>Two heads: 55<br>One head and one tail: 105<br>Two tails: 40<br>What is the probability of event of obtaining minimum one head?