destinymiller12
destinymiller12 destinymiller12
  • 22-05-2017
  • Mathematics
contestada

you roll a number cube twice, find p (even, then not 2), write the probability as a fraction in simplest form

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tiara143
tiara143 tiara143
  • 29-05-2017
When you throw a dice, the outcomes are 1,2,3,4,5 and 6.
Here, even outcomes are 2,4,6
And odd outcomes are 1,3,5,
Thus, the probability of getting an even number is = No of favourable outcomes/Total number of outcomes.
 = 3/6 = 1/2 
Now, the probability of not getting 2 will be 5/6
Thus, the net  P (even, then not 2) = [tex] \frac{1}{2} [/tex]×[tex] \frac{5}{6} [/tex] = [tex] \frac{5}{12} [/tex]
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