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A study by the National Center for Health Statistics found that the BMI of American young women (ages 20-29) are normally distributed with a mean of 26.8 µ = and a standard deviation of 7.4 σ =.
a. The middle 95% of this population would have a BMI between _____ and _____.
b. What percent of the population have a BMI above 19.4?
c. The National Center for Health defines a person with a BMI associated with a z score - of -1.12 or less to be underweight. According to this definition, would a young woman with a BMI of 21.3 be underweight?
suppose that a simple linear regression model has been fit and the following information is availablesse 552n 21sx
Consider a Poisson counting process with arrival rate λ.- Find the PDF of that arrival time..- Find the joint PDF of those two arrival times.
Using substitution in one of the standard Taylor series, find the Taylor series about f for 0. Give all terms up to the term in x^3.
If the null hypothesis is true, state the statistical distribution of the test statistic. Use α=0.05 and perform all 5 steps of hypotheses testing for complete credit.
consumer report does a study on 50 of the most popular computer printer brands. the data collected includede the reatil
Perform a test to determine whether there is sufficient evidence to support a claim of a linear correlation between two variables. Find the critical values of r given the number of pairs of data n and the significance level alpha.
The floor plan of a house is rectangular. The house's length is 2x-10 and its width is x+3. Write an expression for the area of the house
adult consumers at three fast-food hamburger chains at lunchtime in new york city were approached as they entered the
according to a 2010 nielsen survey the mean number of apps downloaded by iphone users is 40. suppose a sample of 36
The third door leads to a tunnel that returns him to his mine after ?ve hours. Assuming that the miner is at all times equally likely to choose any one of the doors, what is the expected length of time until the miner reaches safety?
random variable n has a poisson? distribution and y n n has a binomial n 12 distribution. find the moment generating
Find y(x) and check that your answer satisfies the differential equation and matches the initial condition.
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