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Suppose that for a certain individual, calorie intake at breakfast is random variable with mean 500 and standard deviation (s.d.) 50, calorie intake at lunch is a random variable with mean 900 and s.d. 100. and calorie intake at dinner is a random variable with mean 2000 and s.d. 180. Assuming that intakes at different meals arc independent of one another, what is the approximate probability that the average calorie intake per day over the next year (365 days) is at most 3410?
let x1...x25 be a random sample from a normal distribution with mean mu and variance 100. the null hypothesis h0 mu50
question 1 in a sample of 150 auto occupants 86 wore seatbelts. in a sample of 200 truck occupants 74 wore seatbelts.
in order to be accepted into a jb university applicants must score within the top 5 on the sat exam. given that the
According to the U.S. Census Bureau, the mean household income in the United States in 2000 was $57,045 and the median household income was $42,148.
Critically illustrate out the range? What is the arithmetic mean income? What is the population variance?
A review of voter registration records in a small town yielded the following table of the number of males and females registered as Democrat, Republican, or some other affiliation.
a manufacturer of light bulbs advertises that on average its long-life bulb will last more than 5000 hours. to test the
What is the probability of selecting a value at random and discovering that it has a value of less than 395 pounds?
Select two non-parametric tests utilized in business decision making? Give an example of each test with an appropriate business situation.
data for a particular subdivision near downtown houston indicate that the average price per square foot for a home is
Determine Probability using exponential distribution.The average time between failures of a laser machine is exponentially distributed with the mean of 40,000 hours.
The ANOVA procedure is a statistical approach for determining whether or not:
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