a tehtrahadron is numbered using numbers 1 , 2, 3 and 4 . of tetrahedron is rolled find the
- An even number
- A postive number
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Total No.Of observation = 4(1,2,3,4)
1. Favourable Obs for even Number = 2(2,4)
Probability of Even No. = Favourable Obs / No. of Obs
P(of Even Number) = 2 / 4
P(of Even Number) = 1 / 2
2. Favourable Obs for Positive No. = 4(1,2,3,4)
Probability of Positive No. = Favourable Obs/No. Of Obs
P(of Positive No.) = 4/4
P(of Positive No.) = 1
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1. Favourable Obs for even Number = 2(2,4)
Probability of Even No. = Favourable Obs / No. of Obs
P(of Even Number) = 2 / 4
P(of Even Number) = 1 / 2
2. Favourable Obs for Positive No. = 4(1,2,3,4)
Probability of Positive No. = Favourable Obs/No. Of Obs
P(of Positive No.) = 4/4
P(of Positive No.) = 1
Mark This Brainliest If This Helped u
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