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1. Suppose we had used 10,000 in places of 1,000 in the simulations. What would the final graph have looked like.
2. Write a brief summary of what you learned in this activity about the law of large numbers and the central limit theorem.
Perform appropriate tests to con?rm or refute the hypothesis that the true population mean number of accidents in the ?rst period is 6, while the same popu- lation parameter was halved in the second period.
Build a scatter plot, Find the value of the linear correlation coefficient r, and find the critical value of r using α=0.05. Determine whether there is sufficient evidence to support a claim of a linear correlation between the two variables.
discuss the various sampling methods we might use in determining which items to include in a
a researcher wishes to know with 98 confidence the percentage of women who wear shoes that are too small for their
suppose you want to estimate the proportion of people in your community who would choose thin mints as their favorite
The company is considering increasing fares by an appropriate amount to cover expected compensation to passengers who lose their luggage. By how much should the airline increase fares? Why? Explain, using the ideas of a random variable and its exp..
suppose that two electronic components in the guidance system for a missile operate independently and that each has a
refer to the following anova
how would you go about selecting a particular level of significance icircplusmn to conduct a hypothesis test? provide
The length of time sixth graders watch television each day is normally distributed with a mean = 118.3 minutes and standard deviation = 43.1 minutes. Use this information to answer the following:
You are running a one-sided test of H0: μ = μ0, where q is the appropriate quantile/critical bound. (Note: q may be positive or negative, depending on the test.) Do you reject H0 if H1: μ > μ0 and t > q?
If we wanted to shorten the interval of the estimation of the true mean of Saturday sales to a width of $600 in total, what should the size of our sample be to achieve it?
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