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Thompson and Thompson is a steel bolts manufacturing
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 125 millimeters, and a variance of 49.If a random sample of 41 steel bolts is selected, … read more
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A racing car consumes a mean of 86 gallons of gas per race
A racing car consumes a mean of 86 gallons of gas per race with a variance of 9.If 33 racing cars are randomly selected, what is the probability that the sample mean would be greater than 85.3 gallons… read more
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A racing car consumes a mean of 86 gallons of gas per race
A racing car consumes a mean of 86 gallons of gas per race with a standard deviation of 7 gallons.If 41 racing cars are randomly selected, what is the probability that the sample mean would be greater… read more
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Sandhya_sharma
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The mean number of words per minute (WPM) typed by a speed
The mean number of words per minute (WPM) typed by a speed typist is 147 with a variance of 144.What is the probability that the sample mean would be greater than 150.2 WPM if 59 speed typists are ran… read more
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The mean per capita consumption of milk per year is 138
The mean per capita consumption of milk per year is 138 liters with a variance of 484.If a sample of 210 people is randomly selected, what is the probability that the sample mean would be less than 13… read more
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Sandhya_sharma
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The mean per capita income is 16,127 dollars per annum with
The mean per capita income is 16,127 dollars per annum with a variance of 682,276.What is the probability that the sample mean would be less than 16219 dollars if a sample of 476 persons is randomly s… read more
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The mean per capita income is 16,127 dollars per annum with
The mean per capita income is 16,127 dollars per annum with a variance of 682,276.What is the probability that the sample mean would be less than 16219 dollars if a sample of 476 persons is randomly s… read more
Sandhya_sharma
Sandhya_sharma
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Thompson and Thompson is a steel bolts manufacturing
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 130 millimeters, and a variance of 64.If a random sample of 34 steel bolts is selected, … read more
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Sandhya_sharma
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Thompson and Thompson is a steel bolts manufacturing
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 143 millimeters, and a variance of 64.If a random sample of 32 steel bolts is selected, … read more
Sandhya_sharma
Sandhya_sharma
Master's Degree
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Thompson and Thompson is a steel bolts manufacturing
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 125 millimeters, and a variance of 49.If a random sample of 41 steel bolts is selected, … read more
Sandhya_sharma
Sandhya_sharma
Master's Degree
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Thompson and Thompson is a steel bolts manufacturing
Thompson and Thompson is a steel bolts manufacturing company. Their current steel bolts have a mean diameter of 135 millimeters, and a variance of 64.If a random sample of 46 steel bolts is selected, … read more
Sandhya_sharma
Sandhya_sharma
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The mean number of words per minute (WPM) read by sixth
The mean number of words per minute (WPM) read by sixth graders is 91with a variance of324 . If152 sixth graders are randomly selected, what is the probability that the sample mean would be greater th… read more
R.R. Jha
R.R. Jha
Bachelor's Degree
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A manufacturing company conducts quality checks at specified
A manufacturing company conducts quality checks at specified periods on the products it manufactures. Historically, the failure rate for LED light bulbs is 6%. Suppose a random sample of 10 LED lights… read more
R.R. Jha
R.R. Jha
Bachelor's Degree
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The mean gas mileage hybrid car is 56 miles per gallon.
The mean gas mileage hybrid car is 56 miles per gallon. Suppose that the gasoline mileage is approx normally distributed with a standard deviation of 3.3 miles per gallon. Round 3 decimal places. a) w… read more
Ryan
Ryan
Bachelor's Degree
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Find the standardized variable Z if X has Mean 48 and standard
Find the standardized variable Z if X has Mean 48 and standard deviation 9. Your answer: Z = (X - ) / Open Show Work Find the standardized variable Z if X has Mean 157 and variance 36. Your answer: Z … read more
Stevewh
Stevewh
Teacher
Bachelor's Degree
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"For Guru2009 only" 1. A random sample of fifty-five 200-meter
"For Guru2009 only" 1. A random sample of fifty-five 200-meter swims has a mean time of 3.98 minutes and a standard deviation of 0.06 minutes. Construct a 905 confidence interval for the population me… read more
Chirag
Chirag
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Total cholesterol levels of a sample of men aged 35-44 are
A total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean of 203 milligrams per deciliter and a standard deviation of 38.3 milligrams per deciliter. a. What percent… read more
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Stevewh
Teacher
Bachelor's Degree
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1.Assume that the weight loss for the first month of a diet
1.Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution… read more
SusanAthena
SusanAthena
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Master's Degree
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