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TOPIC:Normal distribution.
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According to her doctor, Mrs. Brown's cholesterol level is higher than only 5% of the females...
According to her doctor, Mrs. Brown's cholesterol level is higher than only 10% of the females...
According to her doctor, Mrs. Brown's cholesterol level is higher than only 10% of the females age 50 and over. Cholesterol levels among females age 50 and over are approximately normally distributed with a mean of two 35 mg/dL and a standard deviation of 20 mg/dL. What is Mrs. Brown's cholesterol level? Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place
according to her doctor, Mrs. Brown's cholesterol level is higher than only 10% of the females...
according to her doctor, Mrs. Brown's cholesterol level is higher than only 10% of the females age 50 and over. The cholesterol levels among females age of 50 and over are approximately normally distributed with a mean of 235mg/dl and a standard deviation of 20mg/dl.What is Mrs. Brown's cholesterol level? Carrie your intermediate complications to at least four decimal places around your answer to one decimal place.
Cholesterol levels among all adult (age 20 and older) females living in the United States are...
Cholesterol levels among all adult (age 20 and older) females living in the United States are approximately Normally distributed with μ ≈ 200 mg/dl and σ ≈ 44 mg/dl. Find standardized scores associated with the following values, and then use the Standard Normal Table to find the cumulative percentage associated with each value: A. x=200 B. x=240 standardized score z= ?? z=?? percent below: ?? ?? Based on the “percent below” calculations in problem 2, you can calculate the following:...
An adult is thought to be at high risk if his/her cholesterol level is more than two standarod
Problem B: Cholesterol is a fatty substance that is an important part of the outer lining (membrane) of cells in the body of animals. Its normal range for an adult is 120-240 mg/dl. The Food and Nutrition Institute of the Philippines found that the cholesterol level for Filipino adult has a mean of 159.2 mg/dl and 83.4% of adults have a cholesterol level below 200 mg/dl. Suppose that the cholesterol level is normally distributed. e) An adult is thought to be at...
The cholesterol levels of adult males are approximately normally distributed with a mean of 224 mg/dl,...
The cholesterol levels of adult males are approximately normally distributed with a mean of 224 mg/dl, and a variance, o', of 521. Some researchers claim that the variance of cholesterol levels of adult males is less than 521. A sample of 15 adult males' blood tests had a mean of 222.5 mg/dL and a variance of 192. Is there enough evidence to conclude, at the 0.05 level of significance, that the variance of cholesterol levels of adult males is less...
(Normal distribution: Finding a raw score) Calcium levels in people are normally distributed with a mean...
(Normal distribution: Finding a raw score) Calcium levels in people are normally distributed with a mean of 9.5 mg/dL and a standard deviation of 0.3 mg/dL. Individuals with calcium levels in the bottom 10% of the population are considered to have low calcium levels. Find the calcium level that is the borderline between low calcium levels and those not considered low. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place.
2. Shelia's doctor is concerned that she may suffer from gestational diabetes (high blood glucose levels...
2. Shelia's doctor is concerned that she may suffer from gestational diabetes (high blood glucose levels during pregnancy). There is variation both in the actual glucose level and in the blood test that measures the level. A patient is dlassified as having gestational diabetes if the glucose level is above 140 milligrams per deciliter (mg/di) one hour after a sugary drink. Shelia's measured glucose level one hour after the sugary drink varies according to the Normal distribution with μ-125 mg/dl...
A researcher collected sample data for 14 women ages 18 to 24. The sample had a...
A researcher collected sample data for 14 women ages 18 to 24. The sample had a mean serum cholesterol level (measured in mg/100 mL) of 188.1, with a standard deviation of 6.8. Assuming that serum cholesterol levels for women ages 18 to 24 are normally distributed, find a 95% confidence interval for the mean serum cholesterol level of all women in this age group. Then complete the table below. Carry your intermediate computations to at least three decimal places. Round...
Confidence interval for the population mean: Use of the t distribu... A researcher collected sample data...
Confidence interval for the population mean: Use of the t distribu... A researcher collected sample data for 10 women ages 18 to 24. The sample had a mean serum cholesterol level (measured in mg/100 mL) of 192.4, with a standard deviation of 5.2. Assuming that serum cholesterol levels for women ages 18 to 24 are normally distributed, find a 99% confidence interval for the mean serum cholesterol level of all women in this age group. Then complete the table below....
Suppose that the quarterly sales levels among health care information systems companies are approximately normally distributed...
Suppose that the quarterly sales levels among health care information systems companies are approximately normally distributed with a mean of 9 million dollars and a standard deviation of 1.2 million dollars. One health care information systems company considers a quarter a "failure" if its sales level that quarter is in the bottom 15% of all quarterly sales levels. Determine the sales level (in millions of dollars) that is the cutoff between quarters that are considered "failures" by that company and...
Problem B: Cholesterol is a fatty substance that is an important part of the outer lining (membrane) of cells in the body of animals. Its normal range for an adult is 120-240 mg/dl. The Food and Nutrition Institute of the Philippines found that the cholesterol level for Filipino adult has a mean of 159.2 mg/dl and 83.4% of adults have a cholesterol level below 200 mg/dl. Suppose that the cholesterol level is normally distributed. e) An adult is thought to be at...
The cholesterol levels of adult males are approximately normally distributed with a mean of 224 mg/dl, and a variance, o', of 521. Some researchers claim that the variance of cholesterol levels of adult males is less than 521. A sample of 15 adult males' blood tests had a mean of 222.5 mg/dL and a variance of 192. Is there enough evidence to conclude, at the 0.05 level of significance, that the variance of cholesterol levels of adult males is less...
2. Shelia's doctor is concerned that she may suffer from gestational diabetes (high blood glucose levels during pregnancy). There is variation both in the actual glucose level and in the blood test that measures the level. A patient is dlassified as having gestational diabetes if the glucose level is above 140 milligrams per deciliter (mg/di) one hour after a sugary drink. Shelia's measured glucose level one hour after the sugary drink varies according to the Normal distribution with μ-125 mg/dl...
Confidence interval for the population mean: Use of the t distribu... A researcher collected sample data for 10 women ages 18 to 24. The sample had a mean serum cholesterol level (measured in mg/100 mL) of 192.4, with a standard deviation of 5.2. Assuming that serum cholesterol levels for women ages 18 to 24 are normally distributed, find a 99% confidence interval for the mean serum cholesterol level of all women in this age group. Then complete the table below....
Suppose that the quarterly sales levels among health care information systems companies are approximately normally distributed with a mean of 9 million dollars and a standard deviation of 1.2 million dollars. One health care information systems company considers a quarter a "failure" if its sales level that quarter is in the bottom 15% of all quarterly sales levels. Determine the sales level (in millions of dollars) that is the cutoff between quarters that are considered "failures" by that company and...
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