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A die is rolled three times.The probability that exactly one one odd number turns up among the three out comes is? option- 1/2 ,3/8,18,1/6
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- Each time, probability of getting odd or even number is same , i.e. 1/2.
Then possible combination of three throws are
OOO
OOE
OEO
OEE
EOO
EOE
EEO
EEE
out of these 8 possible outcomes, only three (3) are desirable ..OEE,EOE,EEO
so probability of getting exactly one odd number = 3/8 - 12 years agoHelpfull: Yes(21) No(4)
- Actually 3rd option is 1/8
The answer is 3/8 ,I know and can prove .But just wanted to know other view before I reveal,how? - 12 years agoHelpfull: Yes(6) No(6)
- 1/2.die is rolled 3 times means 3*6=18 is the denominator.number of odd numbers in the die=3.so,there are 3*3 chances of obtaining the odd number.hence the answer is 1/2
- 12 years agoHelpfull: Yes(1) No(5)
- the position is selected as 3C1
now 3c1*3/6*3/6*3/6=3/8
- 11 years agoHelpfull: Yes(0) No(0)
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