Question

The weight of potato chips in a medium-size bag is stated to be 10 ounces. The amount that the packaging machine puts in these bags is believed to have a normal model with a mean of 10.2 ounces and a standard deviation of 0.14 ounces.

a) What fraction of all bags sold are underweight?

b) Some of the chips are sold in "bargain packs" of 5 bags. What's the probability that none of the 5 is underweight?

c) What's the probability that the mean weight of the 5 bags is below the stated amount?

d) What's the probability that the mean weight of a 24-bag case of potato chips is below 10 ounces?

Answer #1

The weight of potato chips in a small-size bag is stated to be
5 ounces. The amount that the packaging machine puts in these bags
is believed to have a normal model with a mean of
5.1 ounces and a standard deviation of 0.09 ounces.
a) What fraction of all bags sold are underweight?
b) Some of the chips are sold in "bargain packs" of 5bags.
What's the probability that none of the 5 is underweight?
c) What's the probability...

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these bags is believed to have a normal model with a mean of 20.1
ounces and a standard deviation of 0.09 ounces. a) What fraction
of all bags sold are underweight? b) Some of the chips are sold
in "bargain packs" of 3 bags. What's the probability that none of
the 3 is underweight? c) What's the...

The weight of potato chips in a largelarge-size bag is stated
to be 16 ounces. The amount that the packaging machine puts in
these bags is believed to have a normal model with a mean of 16.3
ounces and a standard deviation of 0.17ounces. a) What fraction of
all bags sold are underweight? b) Some of the chips are sold in
"bargain packs" of 3 bags. What's the probability that none of the
3 is underweight? c) What's the probability...

The weight of cement in a large-size bag is stated to be 16 kg.
The amount that the packaging machine puts in these bags is
believed to have a normal model with a mean of 16.2kg and a
standard deviation of 0.14 kg.
a) What fraction of all bags sold are underweight?
b) Some of the cement is sold in "bargain packs" of 5 bags.
What's the probability that none of the 5 is underweight?
c) What's the probability that...

The weight of a bag of potato chips is stated as 300 g. The
amount that the packaging machine puts in each bag is normally
distributed with mean 306 g and standard deviation 3.6 g. (a) (4
points) What is the proportion of all bags sold that are
underweight? (b) (3 points) A ”bargain pack” contains two bags.
Find the probability that both are underweight. (c) (5 points) Find
the probability that the average weight of the bags in a...

The mean weight of a bag of potato chips from Potato Chip
Incorporated is 14.75 ounces with a standard deviation of 0.4
ounces. A sample of 100 bags of potato chips has a mean weight of
w.
(a) Assuming the weight of potato chip bags is normally
distributed, what is the mean and standard deviation of the
variable w?
(b) Assuming the weight of potato chip bags has a distribution of
unknown shape, what is the mean and standard deviation...

Question #11: A manufacturer makes bags of popcorn and bags of
potato chips. The average weight of a bag of popcorn is supposed to
be 3.06 ounces with an allowable deviation of 0.03 ounces. The
average weight of a bag of potato chips is supposed to be 5.08
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Packaged foods sold at supermarkets are not always the weight
indicated on the package. Variability always crops up in the
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(a)
8.58ounces or less
(b)...

1) “When we sold tortilla chips for $5/bag, we
sold 210 six-packs of soda and 320 bags of potato chips. When we
put tortilla chips on sale at $4/bag, we sold 220 six-packs of soda
and 250 bags of potato chips.”
What was elasticity of the quantity demanded of soda with
respect to the price of tortilla chips? (Use the midpoint
method)
2) “When we sold tortilla chips for $5/bag, we
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Bags of a certain brand of potato chips say that the net weight
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of the individual bag weights is 5.2 grams. A quality control
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these 35 bags turns out to be 33.6 grams. If the mean and standard
deviation of individual bags is reported correctly, what is the
probability that a random sample of 35 bags has...

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