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Three coins are tossed simultaneously 20...

Three coins are tossed simultaneously 200 times with the following frequencies of different outcomes:
`{:("Outcome",3 " heads",2" heads",1" heads","No head"),("Frequency",23,72,77,28):}`
If the three coins are simultaneously tossed again compute the probability of 2 heads coming up.

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`9/25`
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SUBHASH PUBLICATION-PROBABILITY -EXERCISE 15.1
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