Question
A bag contains 7 green balls, 5 blue balls, and 10
yellow balls. A box contains 3 green balls and 8 yellow balls. A ball is randomly drawn from the box and put into the bag, and then a ball is randomly drawn from the bag. Find the probability that the ball is of yellow color.Solution
ATQ, Bag: 22 balls (10 yellow). Box: 11 balls (8 yellow, 3 green). Case 1: A yellow ball is added to the bag. Probability of drawing yellow from the box: 8/11. Bag ha 11 yellow out of 23 balls: 11/23. Contribution: 8/11, 11/23 = 88/253.
Case 2: A green ball is added to the bag. Probability of drawing green from the box: 3/11 Bag has 10 yellow out of 23 balls = 10/23 Contribution: 3/11, 10/23 = 30/253 .
Total Probability:
Which is the most suitable method for preserving flowers with high moisture content like roses and carnations?
What is the significance of draft in tillage operations?
What defines noise pollution according to the World Health Organization (WHO)?
The colour of label for moderately toxic pesticide is
Organic farming is promoted through adoption of organic village by cluster approach and PGS certification under which scheme?Â
The Food Corporation of India was established in which year?
The plant Indigofera tinctoria yielding a blue dye (nil) belonging to which of the following family?
Bagasse is a by-product of:Â
Most expensive spice in the world isÂ
From the context of metrology,Which instrument is used to measure rainfall?
Relevant for Exams:
