Three biased coins were tossed 800 times simultaneously. The outcomes are given in the above table. If the propability of occurrence of two heads is thrice that of all heads, then the value of x is:

Three biased coins were tossed 800 times simultaneously. The outcomes

1.	Three biased coins were tossed 800 times simultaneously. The outcomes are given in the above table. If the propability of occurrence of two heads is thrice that of all heads, then the value of x is:
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Three biased coins were tossed 800 times simultaneously. The outcomes are given in the above table. If the propability of occurrence of two heads is thrice that of all heads, then the value of x is:​

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Three biased coins were tossed 800 times simultaneously. The outcomes are given in the above table. If the propability of occurrence of two heads is thrice that of all heads, then the value of x is: