SOLUTION: A package of Toys Galore Cereal is marked "Net Wt. 12 oz." The actual weight is normally distributed, with a mean of 12 oz and a variance of 0.25. (a) What percent of the packag

Algebra ->  Probability-and-statistics -> SOLUTION: A package of Toys Galore Cereal is marked "Net Wt. 12 oz." The actual weight is normally distributed, with a mean of 12 oz and a variance of 0.25. (a) What percent of the packag      Log On


   



Question 1186923: A package of Toys Galore Cereal is marked "Net Wt. 12 oz." The actual weight is normally distributed, with a mean of 12 oz and a variance of 0.25.
(a) What percent of the packages will weigh less than 12 oz?
_____%
(b) What weight will be exceeded by 2.3% of the packages? (Round your answer to one decimal place.)
_____oz

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
a. 50%, since that iii the mean,
b. 1.995=(x-12)/0.5; sd is sqrt(V)
x=13.0 oz.