Probability, Mathematics

TWO PERSONS A AND B AGREE TO MEET AT A PLACE BTWEEN 11 TO 12 NOON.  THE FIRST ONE TOARRIVE WAITS FOR 20 MIN AND THEN LEAVE. IF THE TIME OF THIR ARRIVAL BE INDEPENDET AND AT RNDOM,THEN THE PROBABILITY THAT A AND B MEET IS

[A]1/3                    [B]2/3               [C]4/9                [D]5/9
 
ANSWER: [A]

AS THE FIRST PERSON TO ARRIVE WAITS FOR 20 MINUTES N(E)=20

TOTAL TIME IS 1 HOUR SO N(S)=60

THE OTHER PERSON HAVE TO ARRIVE IN THAT 20 MINUTES

THEREFORE PROBABILITY=20/60=1/3

Posted Date: 3/11/2013 1:03:53 AM | Location : United States







Related Discussions:- Probability, Assignment Help, Ask Question on Probability, Get Answer, Expert's Help, Probability Discussions

Write discussion on Probability
Your posts are moderated
Related Questions
Give the Definition of Logarithms ? A logarithm to the base a of a number x is the power to which a is raised to get x. In equation format: If x = ay, then log a x = y.

Given the following decision tree, perform the tasks listed below  1. Simulate the route through the test market and produce results for twenty simulations, calculating the


HOW DO YOU DO BAR DIAGRAMS ANDESTIMATE IT WITH PERCENTS

On dividing the polynomial 4x 4 - 5x 3 - 39x 2 - 46x - 2 by the polynomial g(x) the quotient is x 2 - 3x - 5 and the remainder is -5x + 8.Find the polynomial g(x). (Ans:4 x 2 +

a triangle with side lengths in the ratio 3:4:5 is inscribed in a circle

A speaks truth in 80% of the cases and B speaks truth in 60% of the cases.  Find out the probability of the cases of which they are possible to contradict each other in stating sim

If a^n+1 + b^n+1/a^n + b^n is the arithmetic mean of a and b then find n. Answer:Arithmatic mean of a,b is =(a+b)/2  from the problem (a+b)/2=(a^n+1 +b ^n+1)/(a^n+b^n)  then (a+

Find out the volume of the solid obtained by rotating the region bounded by x =  (y - 2) 2 and  y = x around the line y = -1. Solution : We have to first get the intersection

ho we can find the area of diffrent types of polygon