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wn . An astronomer at the Candidates Bre teen: Attempt Au quested to The figures inh tons. Necessa. oe Write any two fay, tendency. In ita OF: and 5 respective] Ip of corrected mean aa = ion Were found to be 20 Wrongly read as 23. Find nf ‘and, The four floodgates ; ard deviation, © score 32 was each oth OF a sm er. From experience it ee lectric dam fail and ‘wn that each £1 are repaired ind. . lependently of of the time, 2) It floodgates 1 jg loodgate is out of order 4 percent: . Tcentage of order? Out of order, what is the probabi b) During tour = of the d; of ord am, you are er are less than | in 5,000,000, Tet, chances ofall four floodgates being out . 1? Make comparison between Binomial an ility that floodgates 2 and 3 are out . id Negatiy i ; ea, be “ielective, Ge arming out razor blades fot Binomial Probability distribution, distribution to caleune = are supplied in eee of ne ay bed - . e aj ximat hs suitable ii (i) no defective, (ii) One detective sof ED. fe containing of 10,00 pastes. . ili) Two defective A continuous random variab! Ag " iable X has probability density function defined follows “x f(x)=jkxe 7 for0