A plastic bag manufacturer claims that the bags have a tearresistance (in Kg.) that is distributed N(10, 1):
a) We take 9 bags and get an average tear resistance of 9.5 Kg.¿Should we believe the specifications provided by themanufacturer?
b) Find the probability that the bag will tear with 5 Kg. oforanges and 4 bottles of 1 liter of water whose containers weight25 grs.
