Question
In: Statistics and Probability
[Chocolate Chip Cookies] Consider a sample of 40 Chips Ahoy chocolate chip cookies. The mean number...
[Chocolate Chip Cookies] Consider a sample of 40 Chips Ahoy chocolate chip cookies. The mean number of chips per cookie is 23.95 chips and the standard deviation of all Chips Ahoy regular cookies is known to be 2.55 chips. Use a (alpha)=0.01 to test the claim that the mean number of chips is greater than 23.
a.) what parameter is this addressing?
b.) identify the null and alternative hypotheses using math notation.
c.) calculate the test statistic (critical value is 2.33 which is 98%).
d.) what is your conclusion about the null hypothesis?
e.) state the final conclusion about the original claim in a complete sentence.
Solutions
orchestra answered 2 years agoRelated Solutions
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed...
The number of chocolate chips in a bag of chocolate chip cookies
is approximately normally distributed with mean
1263
and a standard deviation of
118.
(a) Determine the
29th
percentile for the number of chocolate chips in a bag.
(b) Determine the number of chocolate chips in a bag that make
up the middle
97%
of bags.
(c) What is the interquartile range of the number of chocolate
chips in a bag of chocolate chip cookies?
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed...
The number of chocolate chips in a bag of chocolate chip cookies
is approximately normally distributed with mean 1261 and a standard
deviation of 118. (a) Determine the 28th percentile for the number
of chocolate chips in a bag. (b) Determine the number of chocolate
chips in a bag that make up the middle 96% of bags. (c) What is
the interquartile range of the number of chocolate chips in a bag
of chocolate chip cookies?
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed...
The number of chocolate chips in a bag of chocolate chip cookies
is approximately normally distributed with mean 1261 and a standard
deviation of 118. (a) Determine the 29th percentile for the number
of chocolate chips in a bag. (b) Determine the number of chocolate
chips in a bag that make up the middle 98% of bags. (c) What is
the interquartile range of the number of chocolate chips in a bag
of chocolate chip cookies?
2. The number of chocolate chips in a bag of chocolate chip cookies is approximately normally...
2. The number of chocolate chips in a bag of chocolate chip
cookies is approximately normally distributed with a mean of 1262
chips and a standard deviation of 118 chips
Part (a): About how many percent of the cookie bags are in between
1200 and 1300 chips.
Part (b): Determine the 30th percentile for the number of chocolate
chips in a bag.
Part (c): Determine the minimum number of chocolate chips in a bag
that make up the middle 95...
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed...
The number of chocolate chips in a bag of chocolate chip cookies
is approximately normally distributed with mean
1263
and a standard deviation of
118.
(a) Determine the
2929th
percentile for the number of chocolate chips in a bag.
(b) Determine the number of chocolate chips in
a bag that make up the middle
97%
of bags.
(c) What is the interquartile range of the
number of chocolate chips in a bag of chocolate chip cookies?
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed...
The number of chocolate chips in a bag of chocolate chip cookies
is approximately normally distributed with mean of 1261 and a
standard deviation of 117
(a) Determine the 26th percentile for the
number of chocolate chips in a bag.
(b) Determine the number of chocolate chips in
a bag that make up the middle 96%
(c) What is the interquartile range of the
number of chocolate chips in a bag of chocolate chip cookies?
3, The number of chocolate chips in a bag of chocolate chip cookies is approximately normally...
3, The number of chocolate chips in a bag of chocolate chip
cookies is approximately normally distributed with a mean of 1263
chips and a standard deviation of 118 chips.
(a) The 27th percentile for the number of chocolate chips in a
bag of chocolate chip cookies is_____ chocolate chips.
(Round to the nearest whole number as needed.)
(b) The number of chocolate chips in a bag that make up the
middle 95% of bags is ___ to ___...
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed...
The number of chocolate chips in a bag of chocolate chip cookies
is approximately normally distributed with a mean of 1261 chips and
a standard deviation of 118 chips.
(a) Determine the 27th percentile for the number of chocolate
chips in a bag.
(b) Determine the number of chocolate chips in a bag that make up
the middle 97% of bags.
(c) What is the interquartile range of the number of chocolate
chips in a bag of chocolate chip cookies?
the number of chocolate chips in an 18 oz bag of chocolate chip cookies is approximately...
the number of chocolate chips in an 18 oz bag of
chocolate chip cookies is approximately normally distributed with
1270 in the standard deviation is 130 chips
what is the probability that a randomly-selected bag
contains no more than 1200 chips
what is the probability that a randomly-selected bag
of 30 bags has a random mean that's no more than 1200 chips
what number of chocolate chips in a bag will
correspond to the 15th percentile
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed...
The number of chocolate chips in a bag of chocolate chip cookies
is approximately normally distributed with a mean of 1261 chips and
a standard deviation of 118 chips. (a) Determine the 25th
percentile for the number of chocolate chips in a bag. (b)
Determine the number of chocolate chips in a bag that make up the
middle 95% of bags. (c) What is the interquartile range of the
number of chocolate chips in a bag of chocolate chip cookies?
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