Question

8. 4 9. Sonu put some buttons on the table. There were 5 blue, 6 red, 4 black and 8 white buttons in all. All of a sudden, his pet dog jumped on the table and knocked out one button on the floor. What is the probability that the button on the floor is i) black ii) not blue iii) red




plz answer in detail​

Answer 1

Answer:

Total number of buttons = 4 + 7 + 3 + 6

⇒ Total number of buttons = 20

⇒ Total number of outcomes = 20

Number of blue buttons = 4

⇒ Total number of favourable outcomes = 4

Hence, the probability that the button on the floor is blue is

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