Check sibling questions

A bowl contains 3 red and 2 blue marbles. Roohi wants to pick a red marble.

Which of the following changes could she make so that the probability of picking a red marble is greater than it was before?

 

(i) Adding a red marble

(ii) Removing a blue marble

(iii)Adding 1 red and 1 blue marble

 

(A) only (i)

(B) only (i) and (ii)

(C) only (i) and (iii)

(D) (all of the above)

 

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Transcript

A bowl contains 3 red and 2 blue marbles. Roohi wants to pick a red marble. Which of the following changes could she make so that the probability of picking a red marble is greater than it was before? (i) Adding a red marble (ii) Removing a blue marble (iii)Adding 1 red and 1 blue marble (A) only (i) (B) only (i) and (ii) (C) only (i) and (iii) (D) (all of the above)

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.