Two students Anil and Ashima appeared in an examination . The probability that Anil will quanlify the examination is 0.05 and that Ashima will qualify the examination is 0.10 . The probability hat both will qualify the examination is 0.02 . Find the Probabiity that both Anil and Ashima will not qualify the examination ?

Two students Anil and Sunil appear in an examination. The probability that Anil will qualify in the examination is 0.05 and that Sunil Will qualify is 0.10. The probability that both will qualify in the examination is 0.02 find the probability that Anil and Sunil Will not qualify in the examination.

The probability that a student will pass the final examinatin in both English and Hindi is 0.5 and the probability of passing neither is 0.1. If the probability of passing the English examination is 0.75. What is the probability of passing the Hindi examination?

In an entrance test that is graded of the basis of two examination, the probability of a randomly chosen student passing the first examination is 0.8 and the probability of passing the second examination is 0.7. The probability of passing atleast one of them is 0.95. What is the probability of passing both?

Probability that a student will succeed in IIT entrance test is 0.2 and that he will succeed in Roorkee entrance test is 0.5. If the probability that he will be successful at both the places is 0.3, then the probability that he does not succeed at both the places is

There are n students in a class. Let P(E_lambda) be the probability that exactly lambda out of n pass the examination. If P(E_lambda) is directly proportional to lambda^2(0lelambdalen) . If a selected student has been found to pass the examination, then the probability that he is the only student to have passed the examination, is

Three students appear at an examination of mathematics. The probability of their success are 1/3,1/4,1/5 respectively. Find the probability of success of at least two.

There are n students in a class. Ler P(E_lambda) be the probability that exactly lambda out of n pass the examination. If P(E_lambda) is directly proportional to lambda^2(0lelambdalen) . Proportional constant k is equal to

There are n students in a class. Ler P(E_lambda) be the probability that exactly lambda out of n pass the examination. If P(E_lambda) is directly proportional to lambda^2(0lelambdalen) . If P(A) be the probability that a student selected at random has passed the examination, then P(A), is

A doctor is called to see a sick child. The doctor knows (prior to the visit) that 90% of the sick children in that neighbourhood are sick with the flu, denoted by F , while 10% are sick with the measles, denoted by MA well-known symptom of measles is a rash, denoted by R. The probability having a rash for a child sick with the measles is 0.95. however, occasionally children with the flu also develop a rash, with conditional probability 0.08. upon examination the child, the doctor finds a rash. The what is the probability that the child has the measles? a. 91/165 b. 90/163 c. 82/161 d. 95/167

In an examination 20question of true-false are asked. Suppose a student tosses a fair coin to determine his answer to each question. If the coin falls heads, the answer 'true', if it falls tails, he answers. 'false' find the probabilities that he answers at least 12 questions correctly