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CBSE Class 9 Answered

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Asked by Girishdhawan | 01 Jul, 2018, 03:12: PM
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begin mathsize 16px style straight a right parenthesis space The space probability space of space getting space no space head Three space coins space are space tossed space simultaneously space 250 space times. 3 space heads space equals space 23 comma space 2 space heads space equals space 72 space and space 1 space head space equals space 77 rightwards double arrow 0 space head space equals space 250 space minus space left parenthesis space 23 space plus space 72 space plus space 77 space right parenthesis equals space 250 space minus 172 space equals space 78 The space probability space of space getting space no space head space equals space 78 over 250 equals 39 over 125 straight b right parenthesis space space The space probability space of space getting space atleast space one space head space equals fraction numerator left parenthesis space 23 space plus space 72 space plus space 77 space right parenthesis over denominator 250 end fraction equals space 172 over 250 equals 86 over 125 end style
Answered by Yasmeen Khan | 05 Jul, 2018, 11:41: AM

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CBSE 9 - Maths
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CBSE 9 - Maths
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CBSE 9 - Maths
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