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Bezzdna [24]
3 years ago
9

A bag contains 2 white balls, 3 red balls and a black ball. if a ball is selected at random, what is the probability that it is

(a). not white
(b). red
(c). black​
Mathematics
2 answers:
makkiz [27]3 years ago
7 0

Answer:

a) 2/3

b) 1/2

c) 1/6

Step-by-step explanation:

2 white balls + 3 red balls + 1 black ball = 6 balls all together so then you do the number of balls over 6

exis [7]3 years ago
3 0

Answer:

P( not white )  =2/3

P ( red)= 1/2

P( black)  = 1/6

Step-by-step explanation:

2 white balls, 3 red balls and a black ball. = 6 balls

P( not white )  = number of balls not white / total = 4/6 =2/3

P ( red) = number of balls that are red/ total = 3/6 = 1/2

P( black) = number of balls that are black/ total = 1/6

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Step-by-step explanation:

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3 years ago
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vekshin1

Answer:

Step-by-step explanation:

1) 35 = 5 * 7

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LCM = 2 * 5 * 7 = 70

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   12 = 2 * 2 *3 = 2² * 3

LCM = 2³ * 3 * 5 = 120

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Read 2 more answers
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