A doctor is to visit a patient. From the...

A doctor is to visit a patient. From the past experience, it is known that the probabilities that he will come by train, bus, scooter or by other means of transport are respectively `3/(10),1/5,1/(10)a n d2/5`. The probabilities that he will be l

Text Solution

Verified by Experts

The correct Answer is:

`(1)/(2)`

Topper's Solved these Questions

PROBABILITY
CBSE COMPLEMENTARY MATERIAL|Exercise FOUR MARK QUESTIONS|9 Videos
PRACTICE PAPER III
CBSE COMPLEMENTARY MATERIAL|Exercise Section D|6 Videos
RELATIONS AND FUNCTIONS
CBSE COMPLEMENTARY MATERIAL|Exercise SIX MARK QUESTIONS|7 Videos

Similar Questions

Explore conceptually related problems

A doctor is to visit a patient. From the past experience, it is known that the probabilities that he will come by train, bus , scooter or by other means of transportation are respectiely 3/10,1/5,1/10 or 2/5 . The probabilities that he will be late are 1/4,1/3 and 1/12 if he comes by train, bus and scooter respectively but if he comes by other means of transport, then he will not be late. If the arrives late, find the probability that he comes by train.

A person goes to his office by using different means of transport on different days. It is know that the probabilities that he will come by train, bus, scooter or by car are respectively 1/10, 3/10, 2/10 " and " 4/10 . The probabilities that he will be late are 1/4, 1/5, 1/6, " and " 1/3 if he comes by train, bus, scooter and car respectively, on one day when he reaches office, he is late. What is the probability he has come by train?

A cadiadate has to reach the examination centre in time, Probality of him going by bus or scooter or by other means of transport are (3)/(10),(1)/(10) ,(3)/(5) respectively. The probability of getting late , if the travels by bus is 1/4 ,1/3 if he travells by scooter and 0 for any other medium. But he reaches in time if the uses any mode of transport . He reached late at the centre. The probability that he travelled by bus is -

The probabilities of a student getting first class or second class or third class in an examination are (2)/(7) , (3)/(5) ,(1)/(10) respectively . The probability that the students fails is .

CBSE COMPLEMENTARY MATERIAL-PROBABILITY-SIX MARK QUESTIONS

If A and B are two independent events such that P(A nn bar(B))=1/6 and...
Text Solution
|
Bag A contains 4 red, 3 white and 2 black balls. Bag B contains 3 red,...
Text Solution
|
A doctor is to visit a patient. From the past experience, it is known ...
Text Solution
|
As man is known to speak truth 3 out of 4 times. He throws a die and ...
Text Solution
|
An insurance company insured 2000 scooter drivers, 4000 car drivers...
Text Solution
|
Three cards from a pack of 52 cards are lost. One card is drawn from t...
Text Solution
|
A bag A contains 2 white and 3 red balls and a bag B contains 4 white ...
Text Solution
|
In answering a question on a multiple choice test, a student either...
Text Solution
|
Suppose a girl throws a die. If she gets a 5 or 6, she tosses a coin ...
Text Solution
|
In a bolt factory machines, A, B and C manufacture bolts in the ratio ...
Text Solution
|
Two urns A and B contain 6 black and 4 white, 4 black and 6 white ball...
Text Solution
|
Two cards are drawn from a well shuffled pack of 52 cards. Find the me...
Text Solution
|
A letter is known to come either from TATANAGAR or CALCUTTA. On the en...
Text Solution
|
Two groups are competing for the position on the Board of directors of...
Text Solution
|
Two numbers are selected are random (without replacement) from posi...
Text Solution
|
A bag contains 5 balls. Two balls are drawn and are found to be white....
Text Solution
|
Find the probability distribution of the number of doublets in ...
Text Solution
|
Three critics review a book. Odds in favour of the book are 5:2, 4:3 ...
Text Solution
|
A box contains 2 Black, 4 White and 3 Red balls. One by one all balls ...
Text Solution
|
A bag contains 3 White, 3Black and 2 Red balls. 3 balls are successive...
Text Solution
|