Question

Q 15: A bag contains one red, one white and 3 blue balls. A ball is drawn randomly from the bag. Find
the probability of getting a blue ball.​

Answer 1

Answer:

3/5

MARK AS BRAINLIEST :)

Answer 2

Answer:

⠀⠀⠀⌬ Red Ball = 1

⠀⠀⠀⌬ White Ball = 1

⠀⠀⠀⌬ Blue Ball = 3

⠀⠀⠀⌬ Probability of getting blue ball = ?

$\underline{\bigstar\:\textsf{According to the given Question :}}$

$:\implies\sf Probability\:of\:Event=\dfrac{Number\:of\:Event}{Total\:Number\:of\:Event}\\\\\\:\implies\sf P(E)=\dfrac{Blue\:Ball}{(Red+White+Blue)\:Ball}\\\\\\:\implies\sf P(E) = \dfrac{3}{(1 + 1 + 3)} \\\\\\:\implies\sf P(E) = \dfrac{3}{5}\\\\\\:\implies\sf P(E) = 0.6$

⠀

$\therefore\:\underline{\textsf{Hence, probability of getting blue ball is \textbf{0.6}}}.$

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FACTS :

• Probability of any event falls b/w 0 and 1

• 0 indicates uncertainty of event, while 1 indicates certainty of event

• 0 ≤ P(E) ≤ 1

• P(E) + P(not E) = 1