During the nutrition research, the amount of consumed kilocalories per day was measured for 18 people - 10 women and 8 men.Results are as follows:Women: 1759, 2039, 1609, 1670, 2043, 2082, 1957, 1638, 2099, 1924;Men: 2326, 1887, 2483, 1951, 2385, 2003, 2018, 2078.Calculate a 95% confidence interval on the mean for women and men separately. Assume distribution to be normal.Round your answers to the nearest integer (e.g. 9876).Women:Men:

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Answered: During the nutrition research, the…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Suppose the durations of human pregnancies follow a mound-shaped distribution with a mean of 266 days and a standard deviation of 18 days. a. Approximately what percentage of human pregnancies last between 248 and 284 days?
The initial salaries of 20 students who take the FSH course are 4000 5000 6000 4750 4000 5000 6750 7000 4000 4500 8000 4750 7500 4000 10000 2500 10000 3750 4000 3500. What is the data value corresponding to the 75% value of this data?
The dispersion of the copper determination in the seawater sample is 2.24%. How many parallel samples must be analyzed to know the mean with 1.7% accuracy at the 95% confidence level?
A concrete mix is designed to withstand 3000 pounds per square inch (psi) of pressure. The following data represent the strength of nine randomly selected casts (in psi). 3970, 4100, 3100, 3200, 2950, 3820, 4100, 4050, 3470 Compute the mean, median and mode strength of the concrete (in psi).
According to Our World in Data, male heights follow a normal distribution with µ =178.4 cm and o= 7.6 cm. What is the 99th percentile height for men? Select the correct Excel command. =NORM.DIST(0.99, 178.4, 7.6) =NORM.INV(0.99, 178.4, 7.6) =NORM.INV(1-0.99, 178.4, 7.6) =NORM.DIST(1-0.99, 178.4, 7.6)
Is the height (in inches) of students in this class a quantitative or qualitative variable?
For the normal distribution of burning times of electric light bulbs, with a mean equal to 1200 hours and a standard deviation equal to 120 hours, what burning time is identified with the upper 50 percent? lower 75 percent? lower 1 percent? middle 90 percent?
. Average annual expense of a middle-income household living in Afghanistan is 360,000 Afghani with a standard deviation of 4,000 based on sample of 1,500 respondents. What is the range for annual expense for 93% of middle-income households in Afghanistan?
If a data set has 15 mean standard daviation 2 , percentage observation lie between 13 and 17
The data in hours was collected by subtracting 5 from each observation while examining the drying time of a new paint. If the paint is coded, get the sample mean, median, mode, and midrange for the drying periods of 10 panels of wood. 1.4, 0.8, 2.4, 0.5, 1.3, 2.8, 3.6, 3.2, 2.0, and 1.9 hours were measured. Calculate for Mean, median, and mode
27)
The Grand Canyon and the Colorado River are beautiful, rugged, and sometimes dangerous. Assume there is a physician at the park clinic in Grand Canyon Village. Suppose the physician has recorded (for a 5-year period) the number of visitor injuries at different landing points for commercial boat trips down the Colorado River in both the Upper and Lower Grand Canyon. Compute a 5% trimmed mean for Upper Canyon and Lower Canyon. Round your answer to the nearest thousandth. Upper Canyon: Number of injuries per Landing Point Between North Canyon and Phantom Ranch 2 3 1 1 3 4 6 9 3 1 3 Lower Canyon: Number of injuries per Landing Point Between Bright Angel and Lava Falls 8 1 1 0 6 7 2 11 3 0 1 10 2 1 The 5% trimmed mean for Lower Canyon is 2.889 and for Upper Canyon is 3.500. The 5% trimmed mean for Lower Canyon is 2.364 and for Upper Canyon is 3.071. The 5% trimmed mean for Lower Canyon is 3.500 and for Upper Canyon is 2.889. The 5% trimmed mean for Lower Canyon is 3.000 and for Upper Canyon…

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