Question
In: Statistics and Probability
Slices of pizza for a certain brand of pizza have a mass that is approximately normally...
Slices of pizza for a certain brand of pizza have a mass that is approximately normally distributed with a mean of 67.3 grams and a standard deviation of 2.01 grams. a) For samples of size 22 pizza slices, what is the standard deviation for the sampling distribution of the sample mean? b) What is the probability of finding a random slice of pizza with a mass of less than 66.8 grams? c) What is the probability of finding a 22 random slices of pizza with a mean mass of less than 66.8 grams? d) What sample mean (for a sample of size 22) would represent the bottom 15% (the 15th percentile)? in grams
Solutions
orchestra answered 1 year agoRelated Solutions
Slices of pizza for a certain brand of pizza have a mass that is approximately normally...
Slices of pizza for a certain brand of pizza have a mass that is
approximately normally distributed with a mean of 67.8 grams and a
standard deviation of 2.11 grams. Round answers to three decimal
places. a) For samples of size 22 pizza slices, what is the
standard deviation for the sampling distribution of the sample
mean? Incorrect b) What is the probability of finding a random
slice of pizza with a mass of less than 67.1 grams? Incorrect c)...
Slices of pizza for a certain brand of pizza have a mass that is approximately normally...
Slices of pizza for a certain brand of pizza have a mass that is
approximately normally distributed with a mean of 66.8 grams and a
standard deviation of 1.82 grams. Round answers to three decimal
places.
a) For samples of size 22 pizza slices, what is the standard
deviation for the sampling distribution of the sample mean?
b) What is the probability of finding a random slice of pizza
with a mass of less than 66.3 grams?
c) What is...
Slices of pizza for a certain brand of pizza have a mass that is approximately normally...
Slices of pizza for a certain brand of pizza have a mass that is
approximately normally distributed with a mean of 67.1 grams and a
standard deviation of 2.2 grams. a) For samples of size 12 pizza
slices, what is the standard deviation for the sampling
distribution of the sample mean? State answer to five decimal
places. b) What is the probability of finding a random slice of
pizza with a mass of less than 66.5 grams? State the answer...
Slices of pizza for a certain brand of pizza have a mass that is approximately normally...
Slices of pizza for a certain brand of pizza have a mass
that is approximately normally distributed with a mean of 66.8
grams and a standard deviation of 1.94 grams.
a) For samples of size 16 pizza slices, what is the standard
deviation for the sampling distribution of the sample mean?
b) What is the probability of finding a random slice of pizza
with a mass of less than 66.3 grams?
c) What is the probability of finding a 16...
A pizza baker uses 100 slices of pepperoni, 50 slices of mushrooms and 150 slices of...
A pizza baker uses 100 slices of pepperoni, 50 slices of
mushrooms and 150 slices of peppers for each pizza pie. After
baking, he divides the pies in 10 slices. What is the probability
that in one slice of pizza…
There are at most 8 slices of pepperoni:
0.6672 b) 0.6472
c) 0.2202
d) 0.3328
No mushrooms at all:
0.0067 b) 0.0498
c) 0
d) 0.0302
Less than 13 pepper slices:
0
b)...
The diameter of a brand of tennis balls is approximately normally distributed, with a mean of...
The diameter of a brand of tennis balls is approximately
normally distributed, with a mean of 2.58 inches and a standard
deviation of .04 inch. A random sample of 11 tennis balls is
selected. Complete parts (a) through (d) below.
a. What is the sampling distribution of the mean?
A.Because the population diameter of tennis balls is
approximately normally distributed, the sampling distribution of
samples of size 11 will be the uniform distribution.
B.Because the population diameter of tennis balls...
The diameter of a brand of tennis balls is approximately normally? distributed, with a mean of...
The diameter of a brand of tennis balls is approximately
normally? distributed, with a mean of 2.79 inches and a standard
deviation of 0.05 inch. A random sample of 10 tennis balls is
selected. Complete parts? (a) through? (d) below. a.
What is the sampling distribution of the? mean?
A.Because the population diameter of tennis balls is
approximately normally? distributed, the sampling distribution of
samples of size 10 cannot be found.
B.Because the population diameter of tennis balls is
approximately...
The diameter of a brand of tennis balls is approximately normally distributed, with a mean of...
The diameter of a brand of tennis balls is approximately
normally distributed, with a mean of 2.63 inches and a population
standard deviation of .03 inch. If you select a random sample of 9
tennis balls, (a) What is the standard error of the mean? (b) What
is the probability that the sample mean is less than 2.61 inches?
(c) What is the probability that the sample mean is between 2.62
and 2.64 inches? (d) Between what two values symmetrically...
The diameter of a brand of tennis balls is approximately normally distributed, with a mean of...
The diameter of a brand of tennis balls is approximately
normally distributed, with a mean of
2.69
inches and a standard deviation of
0.05
inch. A random sample of
10
tennis balls is selected. Complete parts (a) through (d)
below.
b.
What is the probability that the sample mean is less than
2.68 inches?
c.What is the probability that the sample mean is between
2.67 and 2.70 inches?
d. The probability is 71% that the sample mean will
be between what...
The diameter of a brand of tennis balls is approximately normally distributed, with a mean of...
The diameter of a brand of tennis balls is approximately
normally distributed, with a mean of 2.58 inches and a standard
deviation of 0.03 inch. A random sample of 11 tennis balls is
selected.
The probability is 69% that the sample mean will be
between what two values symmetrically distributed around the
population mean? (Round to two decimal places).
The lower bound is ___ inches, the upper bound is ___
inches.
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