The table contains pulse rates after running for 1 minute, collected from females who drink alcohol. Find a90% confidence interval for the mean pulse rate after exercise of women who do drink alcohol. Round toone decimal place.Pulse Rates (beats per minute) of Woman Who Use Alcohol13475 157 1326715863 158 111 137 6073166 118 17699 175 155129 1759886 146 6777 104 93Withwho do drink alcohol is between% confidence, it can said that the mean pulse rate after exercise of womenand

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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point) Use the given confidence interval limits to find the point estimate p and the margin of error E. 0.76
Data show that men between the ages of 20 and 29 in a general population have a mean height of 69.3 inches, with a standard deviation of 2.5 inches. A baseball analyst wonders whether the standard deviation of heights of maior-leaque baseball players is less than 2.5 inches. The heights (in inches) of 20 randomly selected players are shown in the table, A Click the icon to view the data table. Test the notion at the a = 0.01 level of significance. Data Table What are the correct hypotheses for this test? The null hypothesis is Ho: o = 2.5. The alternative hypothesis is H,: 0 LL V
Confidence interval for population proportion
Constructing a Confidence Interval for a Population Proportion If n = 80 and ˆp = 0.56, construct a 99% confidence interval. Give your answers as decimals, rounded to three decimals. < p <
89
UESTION 30 The estimate of the population proportion should have a margin of error of 0.10, with 99% level of confidence. The best estimate of the population proportion is 0.45 large a sample is required? the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac) BIUS Paragraph Arial 3 10pt V !!! O WORDS POWERED BY TINY EA 2 I. O WORDS POWERED BY TONY
Constructing a Confidence Interval for a Population Mean You measure 26 backpacks' weights, and find they have a mean weight of 59 ounces. Assume the population standard deviation is 11.4 ounces. Based on this, construct a 90% confidence interval for the true population mean backpack weight. Round your answers to two decimal places. Enter your answers in the form: Sample Mean ± Margin of Error ounces
95% CONFIDENCE LEVEL range of the confidence limit = 0.10 p=0.26 How many observations are required?
Use technology to construct the confidence intervals for the population variance o and the population standard deviation o. Assume the sample is taken from a normally distributed population. c= 0.90, s= 33, n= 20 The confidence interval for the population variance is ( ) (Round to two decimal places as needed.) Cle Help me solve this View an example Get more help - DII DD 80 F6 F7 F5 esc F3 F4 F2 F1 &
total plasma volume is important in determining the required plasma component in blood replacement therapy for personal growth and surgery plasma volume is influenced by the overall health and physical activity of an individual suppose that a random sample 43 male firefighters are tested in that they have a plasma volume sample mean of x=37.5 ml/kg assume thqy o=7.20 ml/kg for the distribution of blood plasma Find a 99% confidence interval for the population mean blood plasma volume in male firefighters. What is the margin of error? Lower limit? Upper limit? Round to two decimal places
point(s) possible Submit test The amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of 21 minutes and a standard deviation of 6 minutes. Find the probability that a randomly selected athlete uses a stairclimber for (a) less than 18 minutes, (b) between 21 and 29 minutes, and (c) more than 30 minutes. (a) The probability that a randomly selected athlete uses a stairclimber for less than 18 minutes is (Round to four decimal places as needed.) (b) The probability that a randomly selected athlete uses a stairclimber between 21 and 29 minutes is (Round to four decimal places as needed.) (c) The probability that a randomly selected athlete uses a stairclimber for more than 30 minutes is (Round to four decimal places as needed.) 4 Time Remaining: 00:39:09 Next H hp
Check my work 4 Use the sample information X = 40, o = 3, n= 18 to calculate the following confidence intervals for u assuming the sample is from a normal population. (a) 90 percent confidence. (Round your answers to 4 decimal places.) points The 90% confidence interval is from eBook (b) 95 percent confidence. (Round your answers to 4 decimal places.) Ask The 95% confidence interval is from to Print (c) 99 percent confidence. (Round your answers to 4 decimal places.) References The 99% confidence interval is from (d) Describe how the intervals change as you increase the confidence level. O The interval gets narrower as the confidence level increases. O The interval gets wider as the confidence level decreases. O The interval gets wider as the confidence level increases. O The interval stays the same as the confidence level increases.

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