Question
An unbiased coin is tossed until a head appears. The
expected number of tosses required isSolution
Let X denote the number of tails tossed before the head appears. Then X is a geometric random variable. P(head) = 1 / 2 and the expectation is E(X)=1 / (1/2) = 2.
Find the appropriate ERROR
Given below are sentences with an error in each. The error is in one part of the sentence. Below each sentence are given the options containing the par...
Given below are sentences with an error in each. The error is in one part of the sentence. Below each sentence are given the options containing the par...
Select the segment which has a grammatical error in the given sentence.
Most of the roads we see in India is used to carry the goods.
The fine is part of ongoing friction among Musk's platform and Australiaâs eSafety Office, which monitors online content.
Between you and I (A)/ he probably wonât (B)/ come at all (C)/ No Error (D).
The sentence below is divided into five segments. Select the option that has an error, if any.Â
The trajectory of progress (A) / must  ch...
Along with all other measures to revive Great Indian Bustard numbers, the aspect of regulating noise pollution levels needs to be incorporated.
- Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Mark the part with the...
Plant experts engaged from (A)/the society have find it (B)/intriguing that the sanctuary sustain (C)/ the Tainia penangiana, an orchid (D)/found at al...
