Elitmus
Exam
THREE DICE ARE ROLLED FIND THE PROBABILITY OF GETTING AT LEAST 1 SIX
A 1/6*5/6*5/6
B 5/6*5/6*5/6
C 3*1/6*5/6*5/6
D NOT
Read Solution (Total 8)
-
- condition for no sixes is-
(5/6)*(5/6)*(5/6)
i.e. 125/216
therefore for atleast 1 six-
=1-(125/216)
=91/216
therefore option (D) - 11 years agoHelpfull: Yes(31) No(1)
- 1-prob(no sixes)
=1-((5/6)*(5/6)*(5/6))
=91/216 - 11 years agoHelpfull: Yes(9) No(2)
- Non of these . Answer Will be 1-(5/6)(5/6)(5/6)
- 11 years agoHelpfull: Yes(5) No(1)
- has been running
- 11 years agoHelpfull: Yes(3) No(3)
- prob. of getting no six. iz (5/6)^3.so prob of getting at least one six.iz 1-(5/6)^3. so ans will be option d.
- 11 years agoHelpfull: Yes(3) No(0)
- 1-(5/6*5/6*5/6)
- 11 years agoHelpfull: Yes(2) No(0)
- option c there are three cases 4 atleast 1
- 11 years agoHelpfull: Yes(0) No(3)
- at least one six we req saparja
- 11 years agoHelpfull: Yes(0) No(2)
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