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Suppose we want to determine the (binomial) probability(p) of getting 3 heads in 13 flips of a 2-sided coin. what values of n, x and p would we use to look up this probability, and what would be the probability?
The table below lists the number of audience impressions (in hundreds of millions) listening to songs and the corresponding numbers of albums sold (in hundreds of thousands).
The mean time to download an Google video is 1 minute 30 seconds. Suppose the download time is normally distributed with standard deviation of 20 seconds.
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.
Based on the information above, estimate the mean and standard deviation of the weight of the pain killer in each bottle.
If 1.5 million X-Games were sold over the holidays, determine an interval for the number of defectives in sales. 12,184 to 32,816.
How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind?
Interview about attitudes toward alcohol. You have given every student at the party the same chance to be interviewed: what is the chance? Why is your sample not an SRS?
Find the percentage of the total variation that cant explained by the linear relationship between the two variable.
However, 2% of the Dallas clocks are defective. If you go shopping and buy a clock from this company, what is the probability that you buy a defective clock?
State the hypotheses. (c) State the decision rule and sketch it. (d) Find the test statistic. (e) Make a decision. (f) Find the p-value and interpret it.
The following payoff matrix has been developed for the decision problem. What is the opportunity loss when "A" is Investment alternative and "Decline" is state of nature?
Conduct a hypothesis test at the 6% level of significance to determine whether there is evidence that the true mean fill volume for all jugs of softener differs from 120 ounces.
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