Horn Length(in)16212617151016820The data above represents measurements of the horn lengths (inches) from a sample of 8 Africanwater buffalo that were raised on calcium supplements.Subject1234567 5. Suppose the 95% confidence interval is (10,26), give its interpretation✓ [Select]95% of all length of horn sampled have length 16 inchesThere is a 95% probability that the true mean length of horn is less than 26 inches.There is a 95% probability that the true horn length is between 10 and 26 inchesIf we take many additional random samples of the same size and from each computed a 95% confidence interval, approximately

The given data indicates the horn length measurements of 8 African water buffalo that were raised on…

Answered: 5. Suppose the 95% confidence interval…

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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a data set includes 109 body temperatures of healthy adult humans having a mean of 98.3 f and a standarddeviationn of 0.54F construct a 99% confidence interval estimate of the human body temperature of all healthy humans. What does the sample suggest about the use of 98.6 F as the mean body temperature?
13. We are curious to see if college students get less sleep than the average person. It is known from previous studies that the average person gets 8 hours of sleep on average with a standard deviation of 1 hour. We surveyed 100 students from LTCC and found that on average they got 7.5 hours of sleep with a standard deviation of 1.5 hours. c) Analyzing the data, we get a 95% confidence interval of (7.206, 7.794). What should our conclusion be? Group of answer choices Reject the null hypothesis since 7.5 is included in the interval Reject the null hypothesis since 8 is not included in the interval Fail to reject the null hypothesis since 8 is not included in the interval Fail to reject the null hypothesis since 7.5 is included in the interval
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A data set includes 103 body temperatures of healthy adult humans having a mean of 98.9 degrees°F and a standard deviation of 0.650.65 degrees°F. Construct a 99% confidence interval estimate of the mean body temperature of all healthy humans. What does the sample suggest about the use of 98.6degrees°F as the mean body temperature? What is the confidence interval estimate of the population mean muμ?
Let’s suppose a sample of 36 American teenagers (randomly selected from a normally distributed population) watches an average of 1450 hours of television per year with a standard deviation of 239 hours. Construct the 95% confidence interval (CI) for the mean number of hours the population of American teenagers watch television per year
A child psychologist wanted to determine if the babies responded to their mothers voice when they could not see them. She measured the total time the babies actively sucked their pacifiers while listening to their mothers' voices without seeing them for 10 minutes. She ran this test on 12 babies and found the average time was 4.5 minutes with a standard deviation of 0.9 minutes. What one is the correct 90% confidence interval for the average amount of time the babies sucked their pacifiers that can be obtained from this data? (Assume that the times are approximately Normally distributed) O A. (4.073, 4.927) B. (3.991,5.009) C. (3.928, 5.072) O D. (4.033, 4.967)
A musicologist is currently writing a report about pop songs in the late 2010s. As a part of his research, the musicologist would like to estimate the mean length of pop songs in the late 2010s. A random sample of 155 pop songs from the 2010s was selected and the average of the sample was found to be 3.01 minutes. Suppose the standard deviation of the lengths of all pop songs in the late 2010s is known to be 0.3 minutes Find three different confidence intervals one with a 99% confidence level, one with a 97% confidence level, and one with a 90% confidence level for the average length of all pop songs in the late 2010s. Notice how the confidence level affects the margin of error and the width of the interval. Report confidence interval solutions using interval notation. Round solutions to three decimal places, if necessary The margin of error for a 99 confidence interval is given by E = A 99% confidence interval is given by The margin of error for a 97 confidence interval is given by E…
The Florida Department of Transportation (FDOT) would like to estimate the average speed of vehicles on 95. The mean speed , in miles per hour , of a random sample of vehicles was found to be 73 miles per hour. The standard deviation of the speeds of all vehicles on 1 - 95 is known to be 15 miles per hour . Find three different confidence intervals one with sample size 103, one with sample size 231, and one with sample size 370. Assume that the mean of each sample is 73 miles per hour . Notice how the sample size affects the margin of error and the width of the interval. Report confidence interval solutions using interval notation . Round solutions to two decimal places, if necessary .
A government agency is interested in coyote weights. They take a SRS of 34 coyotes from western states and find that they have a mean weight of 12.4 kilograms (kg) with a standard deviation of 2.1 kg. They also take a random sample of 41 coyotes from eastern states andfind they have a. mean weight of 13.6 kilograms (kg) with a standard deviation of 2.3 kg. Givela 80% confidence interval for the average extra amount that eastern coyotes weigh. Provide a 1-2 sentence explanation of what your results mean in addition to appropriately stating your results in a complete sentence.
Construct a 95% confidence interval for the true mean of city mileage (MPG) of all cars with a manual transmission. Assume that MPG of cars with a manual transmission follows a normal distribution. Also, provide an interpretation of the confidence interval in context. Here is my work so far Manual and Automatic Transmission Total # of Cars = 1129 Total # of Automatic Trans. = 877 Total # of Manual Trans. = 252 Average (Auto) = 18.97948 Average (Manual) = 20.69841 Standard Deviation (Auto) = 8.390146 Standard Deviation (Manual) = 8.565189 Automatic Min: 8 Q1: 15 Median: 18 Q3: 21 Mode: =MAX(B2:B878) = 126 Manual Min: 11 Q1: 18 Median: 20 Q3: 24 Mode: 31
10.Past studies showed that maternal diabetes results in obesity, blood pressure,and glucose tolerance complications in the offspring. Following are thearterial blood pressures, in millimetres of mercury (mm Hg), for a randomsample of 16 children of diabetic mothers. The sample mean is ?̅= 85.99 mm Hg and the sample standard deviation is ? = 8.08 mm Hg (a)Obtain a 95% confidence interval for the mean arterial blood pressure of all children of diabetic mothers. (b)Interpret the confidence interval obtained in part (a). (c)Obtain a 90% confidence interval for the mean arterial blood pressure of all children of diabetic mothers.
Construct the 95% confidence interval for the weights of adults in the town of Metaluna. A simple random sample of 39 weights was collected in Metaluna yielded an average 155 pounds. Assume that weights of Adults in Metaluna are normally distributed with a population standard deviation of 13.2 pounds. Please interpret the result using a complete sentence.

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