Homework Answers
| condition | above | below | total |
| coarse | 15 | 10 | 25 |
| moderate | 22 | 23 | 45 |
| smooth | 46 | 84 | 130 |
| total | 83 | 117 | 200 |
a)
P =23/200=0.115 ~0.12
b)
P=(45+117-23)/200=0.695~0.70
c)
P=1-23/200=0.88 ( please try 0.89 if this cormes wrong and revert)
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The data from 200 machined parts are summarized as follows Depth of Bore Edge Condition Coarse...
l he data from 200 machined parts are summarized as follows: Depth of Bore Edge Condition...
l he data from 200 machined parts are summarized as follows: Depth of Bore Edge Condition Coarse Moderate Smooth Above Target Below Target 10 23 84 unt 15 oard 46 ses (a) What is the probability that a part selected has a moderate edge condition and a below-target bore depth? Round your answer to two decimal places (eg.98.76). dar b) What is the probability that a part selected has a moderate edge condition or a below-target bore depth? Round your...
Depth of bore edge condition Above target Below target coarse 15 10 moderate 21 24 smooth...
Depth of bore edge condition Above target Below target coarse 15 10 moderate 21 24 smooth 49 81 The data from 200 machined parts are summarized as follows: (a) What is the probability that a part selected has a moderate edge condition and a below-target bore depth? Round your answer to two decimal places (e.g. 98.76). P= (b) What is the probability that a part selected has a moderate edge condition or a below-target bore depth? Round your answer to...
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Strands of copper wire from a manufacturer are analyzed for strength and conductivity. The results from...
Strands of copper wire from a manufacturer are analyzed for strength and conductivity. The results from 100 strands are as follows: High Strength Low Strength High conductivity 73 Low conductivity12 4 a) If a strand is randomly selected, what is the probability that its conductivity is high and its strength is high? Round your answer to two decimal places (e.g. 98.76) b) If a strand is randomly selected, what is the probability that its conductivity is low or the strength...
Strands of copper wire from a manufacturer are analyzed for strength and conductivity. The results from...
Strands of copper wire from a manufacturer are analyzed for strength and conductivity. The results from 100 strands are as follows: th High conductivity 70 17 Low conductivity103 a) If a strand is randomly selected, what is the probability that its conductivity is high and its strength is high? Round your answer to two decimal places (e-g. 98.76). b) If a strand is randomly selected, what is the probability that its conductivity is low or the strength is low? Round...
AB CD can you pls help me with A,B,C,D The following function is probability mass function....
AB
CD
can you pls help me with A,B,C,D
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Problem 10.001 please help me find the solution to parts a b and c. show work please. Thanks! ...
Problem 10.001 please help me find the solution to parts a b and
c. show work please. Thanks!
Your answer is partially correct. Try again.
Consider the hypothesis test
against
with known variances
and
Suppose that sample sizes
and
and that
and
Use
(a) Test the hypothesis and find the P-value.
(b) What is the power of the test in part (a) for a true
difference in means of 3?
(c) Assuming equal sample sizes, what sample size should be...
An article in Technometrics (1974, Vol. 16, pp. 523–531) considered the following stack-loss data from a...
An article in Technometrics (1974, Vol. 16, pp.
523–531) considered the following stack-loss data from a plant
oxidizing ammonia to nitric acid. Twenty-one daily responses of
stack loss (the amount of ammonia escaping) were measured with air
flow x1, temperature x2, and acid concentration x3.
y = 42, 37, 37, 28, 18, 18, 19, 20, 15,14, 14, 13,11, 12, 8, 7,
8, 8, 9, 15, 15
x1=
80,80,75,62,62,62,62,62,58,58,58,58,58,58,58,50,50,50,50,50,56,70
x2=
27,27,25,24,22,23,24,24,23,18,18,17,18,19,18,18,19,19,20,20,20
x3=
89,88,90,87,87,87,93,93,87,80,89,88,82,93,89,86,72,79,80,82,91
PRINTER VERSION 4 BACK 38 10 82 11...
An article in the Transportarion Research Part E Jounai Arc Routing Problems to Restore Connectivity of...
An article in the Transportarion Research Part E Jounai Arc Routing Problems to Restore Connectivity of a Road Network" (2016)] considered ways of re-establishing the connectivity of road networks after a natural disaster earthquake. Estimates of the probabilities of a randomly chosen road being under light debris, moderate debris, and heavy debris conditions after different disaster magnitudes are shown in the following table Disaster magnitude is equally likely to be low, moderate or high. Disaster Light Moderate v Total Debris...
An article in Technometrics (1974, Vol. 16, pp. 523-531) considered the following stack-loss data from a...
An article in Technometrics (1974, Vol. 16, pp. 523-531) considered the following stack-loss data from a plant oxidizing ammonia to nitric acid. Twenty-one daily responses of stack loss (the amount of ammonia escaping) were measured with air flow X1, temperature X2, and acid concentration X3 . у X1 22 X3 42 80 27 89 37 80 27 88 37 75 25 90 28 62 24 87 18 62 22 87 18 62 23 87 19 62 24 93 20 62...
l he data from 200 machined parts are summarized as follows: Depth of Bore Edge Condition Coarse Moderate Smooth Above Target Below Target 10 23 84 unt 15 oard 46 ses (a) What is the probability that a part selected has a moderate edge condition and a below-target bore depth? Round your answer to two decimal places (eg.98.76). dar b) What is the probability that a part selected has a moderate edge condition or a below-target bore depth? Round your...
Strands of copper wire from a manufacturer are analyzed for strength and conductivity. The results from 100 strands are as follows: High Strength Low Strength High conductivity 73 Low conductivity12 4 a) If a strand is randomly selected, what is the probability that its conductivity is high and its strength is high? Round your answer to two decimal places (e.g. 98.76) b) If a strand is randomly selected, what is the probability that its conductivity is low or the strength...
Strands of copper wire from a manufacturer are analyzed for strength and conductivity. The results from 100 strands are as follows: th High conductivity 70 17 Low conductivity103 a) If a strand is randomly selected, what is the probability that its conductivity is high and its strength is high? Round your answer to two decimal places (e-g. 98.76). b) If a strand is randomly selected, what is the probability that its conductivity is low or the strength is low? Round...
AB
CD
can you pls help me with A,B,C,D
The following function is probability mass function. f (x) 2x+5 0A5x-0, 1,2,3.4 Determine the mean, μ, and variance, o2, of the random variable. Round your answers to two decimal places (e.g. 98.76) Determine the mean and variance of the random variable with the following probability mass function. f (x) - (8/7) (1/2)X, x- 1,2,3 Round your answers to three decimal places (e.g. 98.765) Mean Variance - Assume that trees are subjected...
Problem 10.001 please help me find the solution to parts a b and
c. show work please. Thanks!
Your answer is partially correct. Try again.
Consider the hypothesis test
against
with known variances
and
Suppose that sample sizes
and
and that
and
Use
(a) Test the hypothesis and find the P-value.
(b) What is the power of the test in part (a) for a true
difference in means of 3?
(c) Assuming equal sample sizes, what sample size should be...
An article in Technometrics (1974, Vol. 16, pp.
523–531) considered the following stack-loss data from a plant
oxidizing ammonia to nitric acid. Twenty-one daily responses of
stack loss (the amount of ammonia escaping) were measured with air
flow x1, temperature x2, and acid concentration x3.
y = 42, 37, 37, 28, 18, 18, 19, 20, 15,14, 14, 13,11, 12, 8, 7,
8, 8, 9, 15, 15
x1=
80,80,75,62,62,62,62,62,58,58,58,58,58,58,58,50,50,50,50,50,56,70
x2=
27,27,25,24,22,23,24,24,23,18,18,17,18,19,18,18,19,19,20,20,20
x3=
89,88,90,87,87,87,93,93,87,80,89,88,82,93,89,86,72,79,80,82,91
PRINTER VERSION 4 BACK 38 10 82 11...
An article in the Transportarion Research Part E Jounai Arc Routing Problems to Restore Connectivity of a Road Network" (2016)] considered ways of re-establishing the connectivity of road networks after a natural disaster earthquake. Estimates of the probabilities of a randomly chosen road being under light debris, moderate debris, and heavy debris conditions after different disaster magnitudes are shown in the following table Disaster magnitude is equally likely to be low, moderate or high. Disaster Light Moderate v Total Debris...
An article in Technometrics (1974, Vol. 16, pp. 523-531) considered the following stack-loss data from a plant oxidizing ammonia to nitric acid. Twenty-one daily responses of stack loss (the amount of ammonia escaping) were measured with air flow X1, temperature X2, and acid concentration X3 . у X1 22 X3 42 80 27 89 37 80 27 88 37 75 25 90 28 62 24 87 18 62 22 87 18 62 23 87 19 62 24 93 20 62...
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