The mean and the variance of a binomial distribution are 4 and 2 respectively. Then the probability of 2 successes is?
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A is twice efficient than B. A and B can both work together to complete a work in 7 days. Then find in how many days A alone can complete the work?
f(X)= 2X-1 + f(X-1) if X is not equal to zero and if f(X=0)=0, If f(X)=4f(X-1) then the value of X=?
Radha,Geeta&Revathi went for a picnic.After a few days they forgot the date,day and month on which they went to picnic.Radha said that it was on Thursday,May 8 and Geeta said that it was Thursday May 10.Revathi said Friday Jun 8.Now one of them told all things wrongly,others one thing wrong and the last two things wrongly.If April 1st is tuesday what is the right day,date and month? thought that he should not waste his time and started moving towards his residence at the speed of 3mi/hr.On the way,he gets the coach and reaches home at 6 o'clock.How far is his residence from railway station.
Solve for x and y: 1/x - 1/y = 1/3, 1/x2 + 1/y2 = 5/9.
Number Series 19,24,20,25,21,26,?
c and f are moved to the new office,how many combinations are possible? a)abc;bde b)abd;abe c)ade;abc d)bde;acd
For a user to be able to choose an option from a dropdown list, what would you set as they allow settings in the data validation settings tab in excel? a) list B) rigion c) Option d) range
It has 20 mixture contains mil and water in the ratio 3:5,replace 4 litres of mixture with 4 litres of water what is the final ratio of milk and water.
Which of the following is least like the others? a) Cube b) Sphere c) Pyramid d) Circle
10 Answers AIS, Aptech, Circle Source, Cube, EA Electronic Arts, Intel, QX,
A hotel has two,the east wing and the west wing.some east wing rooms but not all have an ocean view(OV).All WW have a harbour view(HV).The charge for all rooms is identical, except as follows * Extra charge for all HV rooms on or above the 3rd floor * Extra charge for all OV rooms except those without balcony * Extra charge for some HV rooms on the first two floor&some EW rooms without OV but having kitchen facilities.
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In Bangalore, during income tax deduction for a single person, the percentage increased by 3% and for middle house-holders, it decreased by 3%. What can you infer?