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Need these answers within the hour, I appreciate your help!
Need these answers within the hour, I appreciate your help!Questions 1: An investigator claims, with 95 percent confidence, that the interval between 10 and 16 miles includes the mean commute distance… read more
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You want to obtain a sample to estimate a population mean.
You want to obtain a sample to estimate a population mean. Based on previous evidence, you believe the population standard deviation is approximately σ = 37.9 . You would like to be 95% confident that… read more
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A doctor wants to estimate the HDL cholesterol of all​ 20-
A doctor wants to estimate the HDL cholesterol of all​ 20- to​ 29-year-old females. How many subjects are needed to estimate the HDL cholesterol within 3 points with 99 % confidence assuming sigma equ… read more
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Sandhya
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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
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Need help with statistics multiple choice questions ASAP. An
Need help with statistics multiple choice questions ASAP. An investigator claims, with 95 percent confidence, that the interval between 10 and 16 miles includes the mean commute distance for all Calif… read more
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2. The mean diameter of a ball bearing produced by a certain
2. The mean diameter of a ball bearing produced by a certain manufacturer is 0.80 cm with a population standard deviation of 0.03 cm. A sample of 36 ball bearings is randomly selected from a productio… read more
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Stevewh
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FOR GURU2009 ONLY: Assignment number 1: Needed right now! 1. In
FOR GURU2009 ONLY: Assignment number 1: Needed right now! 1. In the standard normal distribution, the standard deviation is always: 2. The area under the standard normal curve is: 3. If Mary gets a 90… read more
Chirag
Chirag
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Please help with these 17 questions!! 1. Find the margin of
Please help with these 17 questions!! 1. Find the margin of error for the given values of c,s,and n. c=0.90,s=2.9,n=100 2. Construct the confidence interval for the population mean u. c=0.98,x=8.4,s=0… read more
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Chirag
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1. 36 randomly picked people were asked if they rented or owned
1. 36 randomly picked people were asked if they rented or owned their own home, 10 said they rented. What is the point estimate of the true proportion of home owners? (Points : 6) 0.722 0.217 0.278 0.… read more
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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
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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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Hi Sandhya! Its me again, do you think you could help me
Hi Sandhya! It's me again, do you think you could help me with this homework? Deadline is 7 hours from now. Really need help! QUESTION 1 Before launching a new online service, a bank is interested in … read more
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Sandhya
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Find the margin of error for the given values of c, s, and
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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
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Find the margin of error for the given values of c, s, and
Find the margin of error for the given values of c, s, and n. C=0.90, s=3.9, n=49 E=_________ (Round to three decimal places as needed) Construct the confidence interval for the population mean µ. C= … read more
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Interested in social experiments, you want to estimate the
Interested in social experiments, you want to estimate the percentage of US adults willing to sing karaoke in front of strangers. You want to be within 3 percentage points of the true proportion measu… read more
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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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A private medical clinic wants to estimate the true mean annual
A private medical clinic wants to estimate the true mean annual income of its patients. The clinic needs to be within $100 of the true mean. The clinic estimates that the true population standard devi… read more
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