World's only instant tutoring platform
dropdown-logo
Become a tutorPartnershipsAbout usStudent loginTutor login
About us
Login
App StorePlay Store
Get 2 FREE Instant-Explanations on Filo with code FILOAPP
Three boys and two girls stand in a queue. The probability, th
Question

Three boys and two girls stand in a queue. The probability, that the number of boys ahead is at least one more than the number of girls ahead of her, is (A) (B) (C) (D)

Views

Views: 643 students

tutor 0tutor 1tutor 2
Found 3 tutors discussing this question
Alexander Discussed
Three boys and two girls stand in a queue. The probability, that the number of boys ahead is at least one more than the number of girls ahead of her, is (A) (B) (C) (D)
7 mins ago
Discuss this question LIVE
7 mins ago
Video Solution

Filo tutor solution

Learn from their 1-to-1 discussion with Filo tutors.

Solution Available
Generate FREE solution for this question from our expert tutors in next 60 seconds
Don't let anything interrupt your homework or exam prep with world’s only instant-tutoring, available 24x7
One destination for complete JEE/NEET preparation
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
Instant 1:1 help, 24x7
60, 000+ Expert tutors
60, 000+ Expert tutors
Textbook solutions
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Big idea maths, McGraw-Hill Education etc
Essay review
Essay review
Get expert feedback on your essay
Get expert feedback on your essay
Schedule classes
Schedule classes
High dosage tutoring from Dedicated 3 experts
High dosage tutoring from Dedicated 3 experts
Trusted by 4 million+ students

Practice questions from similar books

Question 1
Three persons A, B and C apply for a job of Manager in a Private Company. Chances of their selection (A, B and C) are in the ratio 1 : 2 : 4. The probabilities that A, B and C can introduce changes to improve profits of the company are 0.8, 0.5 and 0.3 respectively. If the change does not take place, find the probability that it is due to the appointment of C.

View solution

Question 2
A black and a red dice are rolled.(a)   Find the conditional probability of obtaining a sum greater than 9. Given that the black die resulted in a 5.(b)   Find the conditional probability of obtaining the sum 8? given that the red die resulted in a number less than 4.

View solution

Question 3
The probability of selecting a rotten apple randomly from a heap of 900 apples is 0·18. What is the number of rotten apples in the heap ?

View solution

Question 4
If the mean and variance of a binomial distribution are respectively 9 and 6, find the distribution.

View solution

filo Logo
Doubt Icon Doubt Icon

Stuck on the question or explanation?

Connect with our maths tutors online and get step by step solution of this question.

231 students are taking LIVE classes
Question Text
Three boys and two girls stand in a queue. The probability, that the number of boys ahead is at least one more than the number of girls ahead of her, is (A) (B) (C) (D)