Question

In: Statistics and Probability

8. High density lipoprotein (HDL) in healthy males follows a normal distribution with a mean of...

8. High density lipoprotein (HDL) in healthy males follows a normal distribution with a mean of 50 and a standard deviation of 8. What proportion of healthy males has HDL exceeding 60?

A)0.50

B)1.00

C)0.894

D)0.106

Solutions

Expert Solution


Related Solutions

Suppose the High-density lipoprotein (HDL) cholesterol levels of 20 subjects were measured before and after the...
Suppose the High-density lipoprotein (HDL) cholesterol levels of 20 subjects were measured before and after the treatment. We want to find out if, in general, the treatment will lead to improvements of health, i.e., increasing the HDL cholesterol level. The mean and standard deviation of the difference are 2.05, 2.837, respectively. We assume the differences follow normal. Use ? =0.05.
For a healthy human, a body temperature follows a normal distribution with Mean of 98.2 degrees...
For a healthy human, a body temperature follows a normal distribution with Mean of 98.2 degrees Fahrenheit and Standard Deviation of 0.26 degrees Fahrenheit. For an individual suffering with common cold, the average body temperature is 100.6 degrees Fahrenheit with Standard deviation of 0.54 degrees Fahrenheit. Simulate 10000 healthy and 10000 unhealthy individuals and answer questions 14 to 16. 14. If person A is healthy and person B has a cold, which of the events are the most likely? Pick...
The level of calcium in the blood of healthy young women follows a normal distribution with...
The level of calcium in the blood of healthy young women follows a normal distribution with mean μ = 10.5 milligrams per deciliter and standard deviation σ = 0.25 . To find out if the calcium level changes during pregnancy, a group of 30 healthy pregnant young women is randomly selected and their the calcium level at their first visit for prenatal care is measured. Specifically, the following hypotheses are tested: H0: μ p = 10.5 , Ha: μ p...
The level of magnesium in the blood of healthy young adults follows a normal distribution, with...
The level of magnesium in the blood of healthy young adults follows a normal distribution, with mean μ = 10 milligrams per deciliter and standard deviation σ = 0.4. A clinic measures the magnesium of 25 healthy pregnant young women at their first visit for prenatal care. The sample mean of these 25 measurements is 9.6. Is this evidence that the mean magnesium level in the population from which these women come is less than 10? To answer this, test...
A study found that the heights of college males follow a normal distribution with a mean...
A study found that the heights of college males follow a normal distribution with a mean of 70 inches with a standard deviation of 2.5 inches. What is the probability that randomly selected male student will be between 68 and 77 inches​ tall? A. 3.60 B. 0.2119 C. 0.6580 D. 0.7855
The amount of water consumed each day by a healthy adult follows a normal distribution with...
The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.46 liters.A health campaign promotes the consumption of at least 2.0 liters per day: A sample of 10 adults after the campaign shows the following consumption in liters: 1.78   1.90   1.38   1.60   1.80   1.30    1.56    1.90    1.90    1.68 At the 0.050 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value. A.) State the null hypothesis...
The amount of water consumed each day by a healthy adult follows a normal distribution with...
The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.32 liters. A health campaign promotes the consumption of at least 2.0 liters per day. A sample of 10 adults after the campaign shows the following consumption in liters: 1.35 1.42 1.34 1.42 1.44 1.64 1.90 1.64 1.50 1.38 At the 0.025 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value. State the null hypothesis...
The amount of water consumed each day by a healthy adult follows a normal distribution with...
The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.38 liters. A health campaign promotes the consumption of at least 2.0 liters per day. A sample of 10 adults after the campaign shows the following consumption in liters: 1.48 1.50 1.42 1.40 1.56 1.80 1.62 1.84 1.42 1.39 At the 0.050 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value. State the null hypothesis...
The amount of water consumed each day by a healthy adult follows a normal distribution with...
The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.50 liters. A sample of 10 adults after the campaign shows the following consumption in liters: 1.52 1.64 1.66 1.40 1.82 1.70 1.90 1.45 1.78 1.92 At the .01 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value. (a) State the null hypothesis and the alternate hypothesis. (Round your answers to 2 decimal places.) H0:...
The diameter of a cylinder follows a normal distribution with the mean of 10cm and the...
The diameter of a cylinder follows a normal distribution with the mean of 10cm and the variance of 0.04 cm^2. a) Construct a Shewhart chart to monitor the process mean of cylinder diameter with a sample size 9? (Use L=3) b) If the mean of the process changes to 10.5 cm, what is the probability that you detect this mean shift at the immediate next sample (the first sample after the mean shift)? c) Continue b), what is the probability...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT