Exercise 12.4

Ashas flipped a coin thrice. Draw tree diagram to find the probability of getting three Tails?

A survey of 100 students shows that 40 like pizza, 45 like burgers. Draw venn diagram and find probability of students like either pizza or burgers, assuming none like both?

What is the probability of a patient testing positive for a disease with either Test A or Test B, given that the probability of testing positive with Test A is 0.3 and the probability of testing positive with Test B is 0.4, and the tests are independent?

What is the probability of getting either Job A or Job B, given that the probability of getting Job A is 0.5 and the probability of getting Job B is 0.4 and the offers are independent?