Question

A bottle contains 5 Black Marbles, 3 Blue marbles, and 2 purple marble. One marble is picked up randomly. What is the probability that the marble be purple?

Answer 1

Step-by-step explanation:

ANSWER

(a) Total no. of marbles=3+2+4=9

(1) No. of white marbles=2

∴ probability of getting a white marble=

9

2

(2) No. of blue marbles=3

∴ probability of getting a blue marble=

9

3

=

3

1

(3) No. of red marbles=4

∴ probability of getting a red marble=

9

4

(b)Since, Total no. of balls = 5+8+7=20

(1) No. of balls that are white or green = 8+7=15

∴ probability of getting a white or green ball =

20

15

=

4

3

(2) No. of balls that are neither green nor red =7

∴ probability of getting a ball that are neither green nor red =

20

7

Answer 2

$\huge\underline \mathfrak\orange{Answer}$

Black marbles = $5$

Blue marbles = $3$

Purple marbles = $2$

Total marbles = $5 + 3 + 2 = 10$

P(purple) = $\frac{Number of purple marbles}{Total marbles}$

= $\frac{2}{10}$

= $\frac{1}{5}$

$<font color="red">$$<b >$$<marquee>$Hope it helps

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