imo class 12 probability

A shopkeeper sells TVs. Daily demand X has distribution: P(0)=0.1, P(1)=0.3, P(2)=0.4, P(3)=0.2. The probability he sells at least 2 TVs is:

VAVidaara Admin Asked 6d ago 0 views 0 answers
#IMO#Class 12#Mathematics#Probability#everyday-math

A shopkeeper sells TVs. Daily demand X has distribution: P(0)=0.1, P(1)=0.3, P(2)=0.4, P(3)=0.2. The probability he sells at least 2 TVs is:

  • A. 0.4
  • B. 0.6
  • C. 0.5
  • D. 0.8

Answer: B) 0.6

Explanation: P(X ≥ 2) = P(X=2) + P(X=3) = 0.4 + 0.2 = 0.6.

0 Answers

Log in to post your own answer or join the discussion.

Discussion (0)

No comments yet — start the discussion.

← Back to all questions