02) Sack of grains packed by an automatic machine loader have an
average weight of 100 kg and standard deviation 2.8 kg
Assume the distribution of weight of sack to be normal
Find the chance of getting a sack with weight over 95 kg
but below 105 kg
() dealer rejects a sack with weight below 98 kg, how
many sacks do you expect to be rejected in a lot of 2000
(P.U. April 991
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