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A die is thrown once. Find the probability of getting (i) a prime number. (ii) a number divisible by 2
Asked by Topperlearning User | 08 Nov, 2017, 01:34: PM
Expert Answer

begin mathsize 12px style Sample space space space equals space open curly brackets 1 comma 2 comma 3 comma 4 comma 5 comma 6 close curly brackets straight n left parenthesis straight S right parenthesis space equals space 6 Let space straight A space be space the space event space that space getting space prime space number. straight A equals open curly brackets 2 comma 3 comma 5 close curly brackets straight n left parenthesis straight A right parenthesis equals 3 straight P left parenthesis straight A right parenthesis equals 3 over 6 equals 1 half Let space straight B space be space the space event space space that space getting space straight a space number space divisible space by space 2. straight B equals open curly brackets 2 comma 4 comma 6 close curly brackets straight n left parenthesis straight B right parenthesis equals 3 straight P left parenthesis straight B right parenthesis equals 3 over 6 equals 1 half end style

Answered by | 08 Nov, 2017, 03:34: PM

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