Calculus and Above

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A manufacturing process produces semiconductor chips with a
A manufacturing process produces semiconductor chips with a known failure rate of 5.8%. If a random sample of 225 chips is selected, approximate the probability that more than 12 will be defective. Us… read more
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A researcher records the repair cost for 4 randomly selected
A researcher records the repair cost for 4 randomly selected refrigerators. A sample mean of \$85.03 and standard deviation of \$22.34 are subsequently computed. Determine the 80% confidence interval fo… read more
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A population of values has a normal distribution with μ =
A population of values has a normal distribution with μ = 115.1 and σ = 54.4 . You intend to draw a random sample of size n = 242 .Find the probability that a single randomly selected value is between… read more
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Sleep – College Students (Raw Data, Software Required):
Sleep – College Students (Raw Data, Software Required): Suppose you perform a study about the hours of sleep that college students get. You know that for all people, the average is about 7.0 hours per… read more
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Industries has decided to use a p-Chart with an alpha risk
Squirt Industries has decided to use a p-Chart with an alpha risk of 2% to monitor the proportion of defective industrial belts produced by their production process. The operations manager randomly sa… read more
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To determine if their 15oz filling machine is properly
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R.R. Jha
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Utilizing this information from the previous question:
Utilizing this information from the previous question: Center Line=0.335 Upper Control Limit=0.369 Lower Control Limit=0.301 Time period #13 is Out of ControlTime period #14 is In ControlTime period #… read more
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Crafts has decided to use a c-Chart to monitor the number of
William Crafts has decided to use a c-Chart to monitor the number of defects per chair produced by their manufacturing process. The c-Chart should be constructed with 3-sigma control limits. The produ… read more
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To determine if their 14oz filling machine is properly
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The following data were randomly drawn from an approximately
The following data were randomly drawn from an approximately normal population. 2, 3, 8, 11, 16 Send data to Excel Based on these data, find a confidence interval for the population standard deviation… read more
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A quality-conscious disk manufacturer wishes to know the
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In the week before and the week after a​ holiday, there were
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I am taking PMAN 635, need help with the below! 1. Sharp
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6.12 Mary Beth Marrs, the manager of an apartment complex,
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Ryan this is a new question, i have a two or three days,
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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
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Hello I have a few questions. 1)Control charts that are based
Hello I have a few questions. 1)Control charts that are based on data indicating the presence of a defect or the number of defects are called_______control charts. A)Attributes B)Variables C)Common-Ca… read more
unvrs
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16. In a survey of 630 males ages 18-64, 391 say they have
16. In a survey of 630 males ages 18-64, 391 say they have gone to the dentist in the past year. Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and com… read more
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Master's Degree
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