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It is known that the average yearly consumption of soft drinks by college students nationwide is 50 gallons (µ = 50) with a standard deviation of 3.5 gallons (σ = 3.5).
Johnny drinks more than your average college student. A research team is very interested in seeing how much Johnny drinks compared to the national average. Johnny drank 59 gallons (X = 59) of soft drinks last year. Find the probability that can find a student that drinks less than him.
That is: P(X < 59). Please show your work.
Show that if a 2D Gaussian random vector Y- = (Y1, Y2) has un- correlated components Y1, Y2, then those components are statistically independent random quantities.
recall that a bank manager has developed a new system to reduce the time customers spend waiting to be served by
suppose cholesterol levels for adult american women are normally distributed with a mean of 185 mgl and a standard
The Z score on the comparison distribution for the sample score, and (c) your conclusion. Assume that all populations are normally distributed.
Explain which parts of the sample space are being double counted on both sides of this equation and which parts are being counted once.
in a group of 135 high school students 57 went to college. more precisely 30 of those who went to college were women
master card and other credit card issuers must by law print the annual percentage rate apr on their monthly statements.
Jerry Jansen, Materials Handling Manager at the CasperEdison Corporation's new factory, needs to make a purchasing decision. He needs to choose between two types of materialshandling equipment, a small tractor-trailer train and a heavy-duty forkli..
Correlation between the two variables - Evaluate the value of the correlation coefficient.
Determine following probabilities where Z follows standard Normal distribution?
A quality control inspector selects a part to be tested. The part is then declared acceptable, repairable, or scrapped. Then another part is tested. List the possible outcomes of this experiment regarding two parts.
What is the probability that at least one of the shifts will be unrepresented in the sample of workers?
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