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Public Health and Nutrition One measure of general health is your body mass index (BMI). Adults with a BMI between 18.5 and 24.9 are generally considered to have an ideal body weight for their height. Despite a reputation as a foodloving nation, the mean BMI for adults in France is 24.5.11 Suppose the BMI for adults in France is normally distributed with standard deviation 1.3.
a. Suppose one adult from France is selected at random. What is the probability that the person's BMI is more than 25.5?
b. Suppose 10 adults from France are selected at random. What is the probability that the sample mean BMI is greater than 25.5?
c. What is the probability that the sample mean BMI is less than 24?
d. A certain health spa claims its clients have BMI between 23.5 and 24. Suppose eight health spa clients are selected at random. What is the probability that the sample mean will be in this interval?
Suppose amongst all the families on a Caribbean Cruise, the population variance of the number of children per family is 4. If we were to take a sample of 10 families, then the probability is .9 that the sample variance is less than ___. (Hint: Use..
The mean gross annual incomes of certified plumbers are normally distributed with the mean of $36,000 and a standard deviation of $3,572. The ship building association wishes to find out whether this number is still accurate.
a) In the context of the problem, which of the following interpretations is correct, if any? A. We're 95% confident that the mean length of eggs for the New Zealand bird population is between 38 mm and 53 mm. B. 95% of all birds in New Zealand have e..
Determine the least-squares regression line for predicting rugs and carpeting shipments on the basis of housing starts.- Determine and interpret the coefficients of correlation and determination.
the tables below summarize the surgery survival rate for two hospitals grouped according to patient condition prior to
Determine the validity or invalidity of the original arguments.- No cases of AIDS are infections easily curable by drugs, since all diseases that infect the brain are infections not easily curable by drugs, and all diseases that do not infect the ..
Give an example of a polynomial with degree 3 such that when factored, it contains the two factors (x+5) and (2x-1), i.e., the polynomial looks like (x+5)(2x-1)(?).
the distribution of calories burned by players who played the whole game in the premiere league is normally
Based on these limited data, is there a relationship between age and average price of an Aston Martin? What are the limitations of this analysis? Can you think of some hidden variables that could affect what you are seeing in the data?
Find the questions based on multiple regression - The coefficient of determination for the above model is approximately
What is the probability that the amount of drink will be between 199 and 201 ml?- If the amount of drink is more than 202 ml, when the bottle is opened there will be a spill. What is the probability of a spill?
Determine the p-value; and at 93.7% confidence, test the above hypotheses.
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