clarification of doubt in the previously asked question

Asked by rhinithaa | 1st Oct, 2010, 11:31: PM

Expert Answer:

dear student,
the question that had been solved is given below.
if this was not your question then, in the question you had written , change the last step  of the solution to
we have used the formula
where N= total frequency.
hope this clarifies your doubt.

Answered by  | 2nd Oct, 2010, 10:33: AM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.