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How many business students must be randomly selected to
how many business students must be randomly selected to estimate the mean monthly earnings of business students at one college? we want 95% confidence that the sample mean is within $120 of the popula… read more
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Brad Summers
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Question 1 Assume that the weight loss first month
Question 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 dis… read more
Ryan
Ryan
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5. Of 84 adults selected randomly from one town, 62 have health
5. Of 84 adults selected randomly from one town, 62 have health insurance. Find a 90% confidence interval for the true proportion of all adults in the town who have health insurance. A. 0.626… read more
StatisticsExpert
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MULTIPLE CHOICE. MUST SHOW WORK FOR ENTIRE QUIZ. 1. (5 points)
MULTIPLE CHOICE. MUST SHOW WORK FOR ENTIRE QUIZ. 1. (5 points) Of 84 adults selected randomly from one town, 62 have health insurance. Find a 90% confidence interval for the true proportion of all adu… read more
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Ryan
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MULTIPLE CHOICE. Choose the one alternative that best completes
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1. (5 points) Of 84 adults selected randomly from one town, 62 have health insurance. Find a 90% … read more
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Ryan
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1. In a week before and the week after a holiday, there were
1. In a week before and the week after a holiday, there were 10,000 total deaths, and 4952 of them occurred in the week before the holiday. a. Construct a 95% confidence interval estimate of the propo… read more
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Ryan
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(3) An analyst processes one item every 30 minutes, so 16 items
(3) An analyst processes one item every 30 minutes, so 16 items are completed in her first day of work. Her manager checks her work by randomly selecting an hour of the day, then reviewing all the ite… read more
JACUSTOMER-yrynbdjl-
JACUSTOMER-yrynbdjl-
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1. In order to identify baby growth patterns that are unusual,
1. In order to identify baby growth patterns that are unusual, we need to construct a confidence interval estimate of the mean head circumference of all babies that are 2 months old. A random sample o… read more
Stevewh
Stevewh
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I Calculated The Sample Mean For 12 Randomly Selected High
I calculated the sample mean for 12 randomly selected high school seniors' test scores. The mean was 908.3 and the sample standard deviation was 305.4. Can you construct a 99% confidence interval for … read more
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Stevewh
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Problems I am stuck on my homework with: 1.With regards to
Problems I am stuck on my homework with: 1.With regards XXXXX XXXXX standard normal distribution complete the following: (a) Find P(z > 0), the percentage of the standard normal distribution above … read more
Trigeoscal
Trigeoscal
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1.) Suppose we wish to estimate the mean of the property tax
1.) Suppose we wish to estimate the mean of the property tax on houses in a certain area from a sample of 32 houses. The point estimate of the the population of houses in the area is 8688.44 Assuming … read more
SusanAthena
SusanAthena
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For questions needing a probability table, please use the table
For questions needing a probability table, please use the table with the value that starts 0.5000 not software or another table. I am having trouble with these last 7 questions. Please show your work … read more
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Scott
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Pg.431 1)The mean of the sampling distribution of means is
Pg.431 1)The mean of the sampling distribution of means is equal to the mean of the population. T-F, and why or why not? 2) In the formula for the Confidence Interval for the Mean, if the Confidence C… read more
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A worker randomly selects 16 packages from the mail. The sample
A worker randomly selects 16 packages from the mail. The sample has a mean weight of 13.5 lbs and a population standard deviation of 3.21 lbs. The weights of all packages are normally distributed. a. … read more
Sandhya_sharma
Sandhya_sharma
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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
Sandhya_sharma
Sandhya_sharma
Master's Degree
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Hello Greg, I have the following for today. I was careful
Hello Greg, I have the following for today. I was careful to copy the questions in their entirety this time. These need to be done by midnight, like usual. Thanks Greg:) 1. Consider a normal populatio… read more
Mr. Gregory White
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Use the given data to find the minimum sample size required
Use the given data to find the minimum sample size required to estimate unknown population mean u. How many adults must be randomly selected to estimate the mean Fico score of working adults in the co… read more
Chirag
Chirag
Master'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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