GAURAV

Q1.manufactures has a mean writing life of 40 pages with a SD of 2 pages. A purchasing agent selects a sample of 100 pens and them to test. The mean writing life for the same was 39 pages. Should the purchasing agent rejects the manufacturer’s claim?

Q1.A cooperative store is interested in knowing whether there is any significant difference between the buying habits or male and female shoppers.samples of 14 males and 16 female shoppers gave the following information: male=62,38,43,79,77,23,11,52,33,41...

Q1.Navyug industriess Ltd.has annual requirement of 5,000 piece of brake cylinder for its popular brand of golf carts.each brake cylinder has a carrying cost of 25 per unit per year.the ordering cost per order is 800.calculate the total inventory cost for...

Any body which has mass x on the earth will be x/6 on moon.so the man will be 100/6kg=16.3kg.

Let his salery be x then,total expendiature=salery.so,x.1/2+x/2.2/3+40000=x now by solving the equation, we get x=24000.

Given equation is 4x2-5x-1,now a+b=-(-5)/4=a=5-4a/4 again a.b=-1/4 put the value of a we get a=1,and b=1/4 so a2b=1/4.