Show all working explaining detailly each step Answer must be typewritten with a computer keyboard! Answer Q8a The probability density function of a continuous random variable Y is given by (A(v+2) 8....

Show all working explaining detailly each step

Answer must be typewritten with a computer keyboard!

Answer Q8a

Extracted text: The probability density function of a continuous random variable Y is given by (A(v+2) 8. (a) -2 <1). (b)="" (i)="" 5%="" of'="" the="" students="" in="" a="" cortain="" school="" study="" on="" scholarship.="" 60="" students="" are="" chosen="" al="" random="" from="" the="" school.="" use="" poison="" distribution="" to="" find="" to="" 3="" signilicant="" figures,="" the="" prohability="" that="" at="" least="" 2="" of="" them="" study="" on="" scholarship.="" (ii)="" 500="" students="" are="" chosen="" at="" random="" from="" the="" school.="" use="" the="" normal="" approximation="" to="" estimate="" to="" 3="" significant="" figures="" the="" probability="" that="" between="" 20="" and="" 30="" students="" inclusive="" will="" be="" studying="" on="">