Question

a box has 4 red balls and 12 black balls find the probability that the selected ball is find that a. a red ball b. a black hole chosen at from the box​

Answer 1

Answer:

No. of Red Balls = 4 balls

No. of Black balls = 12 balls

Total no. of balls = 16 balls

a) P(Red ball ) = No. of Red balls ÷ Total no.of balls

= 4÷16

= 0.25

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b) P(Black ball) = No. of black ball÷Total no. of balls

= 12÷16

=0.7

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Answer 2

Answer:

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Step-by-step explanation:

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