Probability, Mathematics

Assignment Help:

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

 


Related Discussions:- Probability

Linear Equations of Parallel Lines, A line has the equation 2y=-3x+1. Find...

A line has the equation 2y=-3x+1. Find an equation of a line parallel to this line that has a y-intercept of -2.

Randomly chosen boy can run this race in 302 sec, School run known to posse...

School run known to possess normal distribution with mean 440 sec & SD 60 sec. What is probability that randomly chosen boy can run this race in 302 sec.

The bionomial theorem for rational index, use the bionomial theorem to expa...

use the bionomial theorem to expand x+2/(2-X)(WHOLE SQUARE 2)

How long will it take the light to blink 405 times, The light on a lighthou...

The light on a lighthouse blinks 45 times a minute. How long will it take the light to blink 405 times? Divide 405 by 45 to get 9 minutes.

Find the height of the building, A building is in the form of a cylinder su...

A building is in the form of a cylinder surrounded by a hemispherical vaulted dome and contains   41(19/21-) cu m of air. If the internal diameter of the building is equal to its t

Geometry, In a square of side 8 cm two quadrant with taking the side of squ...

In a square of side 8 cm two quadrant with taking the side of square as radius are inscribed in the square..

Differential equation of newton’s law of cooling , 1. A direction ?eld for...

1. A direction ?eld for a differential equation is shown. Draw, with a ruler, the graphs of the Euler approximations to the solution curve that passes through the origin. Use step

Calculus, how to find relative extrema at the indicated interval of the fol...

how to find relative extrema at the indicated interval of the following functions and how to sketch it?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd