The records of a hospital show that `10%` of the cases of a certain disease are fatal. If `6` patients are suffering from the disease, then the probability that only three will die is

We roll three identical dice and we find that the sum of upper face number on the three dice is 10, then the probability that one die shows 6, is

In a group of 400 people, 160 are smokers and non-vegetarian, 100 are smokers and vegetarian and the remaining are non-smokers and vegetarian. The probabilities of getting a special chest disease are 35%, 20% and 10% respectively. A person is chosen from the group at random and is found to be suffering from the disease. What is the probability that the selected person is smoker and non vegetarian ?

In a group of 400 people, 160 are smokers and non-vegetarian, 100 are smokers and vegetarian and the remaining are non-smokers and vegetarian. The probabilities of getting a special chest disease are 35%,,20% and 10% respectively. A person is chosen from the group at random and is found to be suffering from the disease. What is the probability that the selected person is a smoker and non-vegetarian?

In chronic disease a patient suffers from

A patient blood smear show the following picture. Which disease is the patient suffering from ?

A patient blood smear show the following picture. Which disease is the patient suffering from ?

The chance that Doctor A will diagonise disease X correctly is 60%. The chance that a patient will die by his treatment after correct diagnosis is 40% and the chance of death after wrong diagnosis is 70%. A patient of Doctor A who had disease X died.The probability that his disease was diagonised correctly is

It is known that 60% of mice inoculated with a serum are protected from a certain disease. If 5 mice are inoculated, find the probability that (a) None contract the disease (b) More than 3 contract the disease.

While studying an autosomal recessive disorder in a family . It was noted that husband and wife both did not suffer from disease but their fathers had the disease. What is the probability that the couple will have a girl child without the disorder ?