Questions
What type of signal is a human heart beat?
Two children were born from a married couple.
- Find the probability of having at least one son by drawing a tree diagram.
- By drawing a tree diagram, find the probability of having no daughter
Two cards are drawn from a well-shuffled deck of 52 cards. Find the probability that both cards are king (the first card is not replaced) by drawing a tree diagram.
There is one yellow, one red and one black sweet in a bag. A sweet is taken out randomly and not replaced. Then after, another sweet is drawn. Write a sample space by using a tree diagram.
Two cards are drawn one after the another (without replacement) from a well shuffled pack of 52 playing cards. Show the probability of getting or not getting a king by drawing a tree diagram.
From a bag containing one red, one green, and one yellow ball of the same shape and size, two balls are drawn randomly in succession without replacement. Show the probabilities of all outcomes in a tree diagram.
A class contains 20 boys and 30 girls. If two students are selected at random, show the probability of selecting a boy and a girl on a tree diagram.
From a class having 24 boys and 15 girls, two students are selected randomly. Show all the probabilities of being a boy and a girl on a tree diagram.
From a bag containing 5 yellow and 6 blue balls of the same shape and size, two balls are drawn randomly in succession without replacement. Show the probabilities of all outcomes on a tree diagram.
From a bag containing 4 red and 7 blue balls of the same shape and size, two balls are drawn randomly in succession without replacement. Show the probabilities of all outcomes in a tree diagram.