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

Find the maximum and minimum brightness values, Variable stars are ones who...

Variable stars are ones whose brightness varies periodically. One of the most visible is R Leonis; its brightness is modelled by the function where t is measured in days.

Local maxima, Given that f(x,y) = 3xy -  x 2 y  - xy 2 . Fi nd all the poin...

Given that f(x,y) = 3xy -  x 2 y  - xy 2 . Fi nd all the points on the surface z = f(x, y)where local maxima, local minima, or saddles occur

Arithmetico geometric progression, find the sum of the following series upt...

find the sum of the following series upto n terms: 1*2+2*4+3*8+4*16+.....

Price cutter sold 85 beach towels what were the total sales, Price Cutter s...

Price Cutter sold 85 beach towels for $6.95 each. What were the total sales? You must multiply the number of towels sold through the price of each towel; 85 × $6.95 = $590.75.

Boundary value problem, solve the in-homogenous problem where A and b are c...

solve the in-homogenous problem where A and b are constants on 0 ut=uxx+A exp(-bx) u(x,0)=A/b^2(1-exp(-bx)) u(0,t)=0 u(1,t)=-A/b^2 exp(-b)

12, Ask question #Minimum 100 words accepted linear algebra

Ask question #Minimum 100 words accepted linear algebra

Surface area and volume, a child prepares a poster to save energy on a squa...

a child prepares a poster to save energy on a square sheet whose each side measures 50 cm . At each corner she draws a quadrant of radius 5 cm and the centre of a circle of diamete

Explain basic geometric concepts, Explain Basic Geometric Concepts ? P...

Explain Basic Geometric Concepts ? Points, lines, and planes are the most fundamental concepts in the study of geometry. Points A point has no length, width or heig

Utilizes the definition of the limit to prove the given limi, Utilizes the ...

Utilizes the definition of the limit to prove the given limit. Solution In this case both L & a are zero.  So, let ε 0 so that the following will be true. |x 2 - 0|

Quick help for exam preparation, can you help me with entrance exam for uni...

can you help me with entrance exam for university ? i really need help so quick

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