The average high-density lipoprotein (HDL) cholesterol level of adult females is 53 milligrams per deciliter. You want to determine whether the true mean female HDL cholesterol level is more than the average. Youdecide to pull a random sample of 12 adult females and measure their HDL cholesterol level. You find the sample mean is 54.1 milligrams per deciliter and the standard deviation is 1.78 milligrams per deciliter. Whatare the test statistic and the p-value?O The test statistic is 2.14 and the p-value is 0.0278.O The test statistic is 0.0278 and the p-value is 2.14.O The test statistic is 1.1 and the p-value is 0.0278.O The test statistic is 0.0278 and the p-value is 1.1.O The test statistic is 0.51 and the p-value is 2.14.

The sample size is 12, the sample mean is 54.1 and the sample standard deviation is 1.78. The…

Answered: The average high-density lipoprotein…

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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Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 67 miles per hour, with a standard deviation of 5 miles per hour. Estimate the percent of vehicles whose speeds are between 52 miles per hour and 82 miles per hour. (Assume the data set has a bell-shaped distribution.) Approximately % of vehicles travel between 52 miles per hour and 82 miles per hour.
The mean total serum cholesterol level in women free of cardiovascular disease is 205 with a standard deviation of 19.2. What proportion of women have total serum cholesterol levels exceeding 200?
If a class has an average of 71 with a SD of 10, use a Normal Curve to estimate the percent of the class that earned an B on this exam. (Between 80 and 89 points.)
Too much cholesterol in the blood increases the risk of heart disease. Young women typically have lower levels of cholesterol than other groups. The cholesterol levels for women aged 20 to 34 are approximately normally distributed with a mean of 185.0 milligrams per deciliter (mg/dl) and a standard deviation of 40/dl. What proportion of young women have a cholesterol level greater than 215.0 mg/dl?
The average triglyceride level of adult males is 126 milligrams per deciliter. You want to determine whether the true mean male triglyceride level is more than the average. You decide to pull a random sample of eight adult males and measure their triglyceride level. You find the sample mean is 127.9 milligrams per deciliter and the standard deviation is 4.12 milligrams per deciliter. What are the test statistic and the p-value? O The test statistic is 1.9 and the p-value is 0.1174. O The test statistic is 0.1174 and the p-value is 1.9. O The test statistic is 1.46 and the p-value is 1.30. O The test statistic is 0.1174 and the p-value is 1.30. O The test statistic is 1.30 and the p-value is 0.1167.
In your work as a biomedical engineer, you need to better understand the distribution of adults' blood pressures. Specifically, you are interested in systolic blood pressure, which is a measure of pressure within arteries when a heart beats; this is the first number in a blood pressure reading. In healthy adults, systolic blood pressure has a normal distribution with a mean of 112 mm Hg and standard deviation of 10 mmHg. Before you collect sample data, you want to predict the range in which you expect almost all of the data to fall. Which of the following represents the interval that will likely contain almost all (~99.7%) of the sample measurements of healthy adult systolic blood pressure? A) (102 mm Hg, 122 mm Hg) B) (92 mm Hg, 132 mm Hg) C) (82 mm Hg, 142 mm Hg) D) (72 mm Hg, 152 mm Hg)
In a normal distribution, what percentage of scores falls below and score of -2.33
Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 63 miles per hour, with a standard deviation of 4 miles per hour. Estimate the percent of vehicles whose speeds are between 59 miles per hour and 67 miles per hour. (Assume the data set has a bell-shaped distribution.) Approximately % of vehicles travel between 59 miles per hour and 67 miles per hour.
please answer the question in the photo. Thank you
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Use the Empirical Rule. The mean speed of a sample of vehicles along a stretch of highway is 65 miles per hour, with a standard deviation of 4 miles per hour. Estimate the percent of vehicles whose speeds are between 57 miles per hour and 73 miles per hour. (Assume the data set has a bell-shaped distribution.) Approximately % of vehicles travel between 57 miles per hour and 73 miles per hour.

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