Question
In: Statistics and Probability
Questions PT 1. I. The mean daily production of a herd of cows is assumed to...
Questions PT 1.
I. The mean daily production of a herd of cows
is assumed to be normally distributed with a mean of 32 liters, and
standard deviation of 10.6 liters.
What is the probability that daily production is
between 47.4 and 59.6 liters? Do not round until
you get your your final answer.
II. A distribution of values is normal with a
mean of 9.4 and a standard deviation of 48.1.
Find the probability that a randomly selected value is greater than
-72.4.
P(X > -72.4) =
III. A company produces steel rods. The lengths
of the steel rods are normally distributed with a mean of 145.8-cm
and a standard deviation of 1.8-cm.
Find the probability that the length of a randomly selected steel
rod is less than 145.8-cm.
P(X < 145.8-cm) =
IV. In the country of United States of
Heightlandia, the height measurements of ten-year-old children are
approximately normally distributed with a mean of 55.1 inches, and
standard deviation of 2.3 inches.
A) What is the probability that a randomly chosen child has a
height of less than 59.55 inches?
B) What is the probability that a randomly chosen child has a
height of more than 51.6 inches?
V. A particular fruit's weights are normally distributed, with a mean of 476 grams and a standard deviation of 31 grams. The heaviest 13% of fruits weigh more than how many grams? Answer to the nearest gram.
Solutions
orchestra answered 2 years agoRelated Solutions
Part 1: The mean daily production of a herd of cows is assumed to be normally...
Part 1: The mean daily production of a herd of
cows is assumed to be normally distributed with a mean of 32
liters, and standard deviation of 9 liters.
A) What is the probability that daily production is
between 24.8 and 30.9 liters? Do not round until
you get your your final answer.
Part 2: The mean daily production of a herd of
cows is assumed to be normally distributed with a mean of 31
liters, and standard deviation of...
The mean daily production of a herd of cows is assumed to be normally distributed with...
The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 37 liters, and standard
deviation of 12.3 liters. A) What is the probability that daily
production is between 14.9 and 60.4 liters? Do not round until you
get your your final answer. Answer= (Round your answer to 4 decimal
places.) Warning: Do not use the Z Normal Tables...they may not be
accurate enough since WAMAP may look for more accuracy than...
The mean daily production of a herd of cows is assumed to be normally distributed with...
The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 40 liters, and standard
deviation of 3.5 liters. A) What is the probability that daily
production is less than 48 liters? Answer= (Round your answer to 4
decimal places.) B) What is the probability that daily production
is more than 47.7 liters? Answer= (Round your answer to 4 decimal
places.) Warning: Do not use the Z Normal Tables...they may not be...
The mean daily production of a herd of cows is assumed to be normally distributed with...
The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 30 liters, and standard
deviation of 5.2 liters. A) What is the probability that daily
production is less than 21.8 liters? Answer= (Round your answer to
4 decimal places.) B) What is the probability that daily production
is more than 21.3 liters? Answer= (Round your answer to 4 decimal
places.)
The mean daily production of a herd of cows is assumed to be normally distributed with...
The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 32 liters, and standard
deviation of 9.9 liters. A) What is the probability that daily
production is less than 14 liters? Answer= (Round your answer to 4
decimal places.) B) What is the probability that daily production
is more than 54.9 liters? Answer= (Round your answer to 4 decimal
places.) Warning: Do not use the Z Normal Tables...they may not be...
The mean daily production of a herd of cows is assumed to be normally distributed with...
The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 36 liters, and standard
deviation of 10.1 liters. A) What is the probability that daily
production is less than 60.6 liters? Answer= (Round your answer to
4 decimal places.) B) What is the probability that daily production
is more than 22.2 liters? Answer= (Round your answer to 4 decimal
places.) Warning: Do not use the Z Normal Tables...they may not be...
Mean daily milk production for Jersey cows is 43 pounds with a known population standard deviation...
Mean daily milk production for Jersey cows is 43 pounds with a
known population standard deviation of 5 pounds and we know that
milk production for these cows follows a Normal model. Suppose a
farmer has a small herd of 20 Jersey cows. How do we know that the
distribution of the sample mean, , for the small herd of cows, is
approximately Normal?
1. Milk production requires the use of millions of cows. Cows release methane gas and waste piles...
1. Milk production requires the use of millions of
cows. Cows release methane gas and waste piles that can cause major
pollution problems. a. Is there too little, too much or
the correct amount of milk produced from a socially optimal
perspective? Prove your answer by drawing a graph representing the
market for milk that correctly identifies private and social
marginal benefit and marginal cost curves along with the market
equilibrium price and quantity versus the socially optimal
equilibrium price and...
Please answer the following true/false questions: (1 pt each) The sample mean is the median of...
Please answer the following true/false questions:
(1 pt each)
The sample mean is the median of the data set.
(TRUE/FALSE)
The most important use of a control chart is to improve the
process by detecting assignable causes.
(TRUE/FALSE)
The eventual goal of statistical process control is the
elimination of variability in the process.
(TRUE/FALSE)
Cause-and-effect diagram is one of the seven major tools called
as magnificent seven. (TRUE/FALSE)
The center line of a control chart represents the mean value of...
The daily milk production of a dairy cow is normally distributed with a mean of 3,500...
The daily milk production of a dairy cow is normally distributed
with a mean of 3,500 milliliters and a standard deviation of 250
milliliters.
a. What is the probability that a cow selected at random will
produce between 3,200 and 3,855 milliliters of milk per day?
b. What is the probability that a cow selected at random will
produce 3,900 milliliters of milk or more?
c. Forty percent (40%) of cows will likely produce less than
what amount of milk,...
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