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What years are included in this data set? What are the dimensions of the table and what are the variable or column names? 2. How do these numbers compare to Arbuthnots? Similar scale? Larger? A lot larger? 3. Does Arbuthnots observation about boys being born in greater proportion than girls hold up in the U.S.? 4. Make a plot of the ratio of the number of boys born per year to the number of girls in the U.S. What do you see? 5. In what year did we see the most total number of births in the U.S.?
A 1-minute television ad costs $30,000 and 1- minute radio add costs $5,000. French Enterprise should decide how many television ads to buy. Write down the decision variables?
A certain airplane has two independent alternators to provide electrical power. The probability that a given alternator will fail on a 1-hour flight is .02. What is the probability that (a) both will fail? (b) Neither will fail? (c) One or the oth..
At the .01 significance level, can we conclude that there is more variation?
Determine the probability that person selected has blood type O? Given that person selected is a male, determine the probability that their blood type is AB?
Determine the probability that we would reject null hypothesis given that it is true?
The data is shown on the table. Is there a difference in mean SBP between treatments? Run the appropriate test at α= 0.05
Over the last year the absentee rate at a large corporation averaged 8.2 days absent with a standard deviation of 6 days. One department with 40 employees had an absentee rate of 12 days per employee.
What is the probability that a randomly-selected truck travels between 30 and 60 thousand kilometres in one year. Standard deviation of 12.0 thousand kilometres.
What are some differences between discrete and continuous data? Is the measurement of money continuous or discrete? Explain. Can discrete data be analyzed using a normal distribution? Why or why not?
If the probability of getting caught is .02, the probability of getting a ticket is .97 and the probabiity of having to pay the ticket is .94, what is the direct cost of running a red light.
Suppose that the actual mean value in the population is mu =120 , what is the probability of a Type II error (incorrectly accepting a false null hypothesis)?
Book inventory Record information - Ratio, interval, nominal or ordinal.
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