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A hotel claims that 95?% of its customers are very satisfied with its service. Complete parts a through d below based on a random sample of seven customers.
What is the probability that more than six customers are very? satisfied?
Based on its position in the periodic table of the elements, which pure element would also react violently with oxygen and water?
Suppose that 35% of the registered voters in a state are registered as Republicans, 40% as Democrats, and 25% as Independents.
Using the strata you constructed, draw a stratified random sample using proportional allocation. Explain how you calculated the sample size to be drawn from each stratum.
Are all the events in this distribution mutually exclusive? Describe in detail.
Explain how these histograms demonstrate what the Central Limit Theorem says about the sampling distribution model for sample means.
A single amoeba is in a pond. Each day, each amoeba present in the pond will die with probability p, will split into two live amoebas with probability q, and will stay alive but not split with probability 1 - p - q.
Find the probabilities of 2 of a kind (e.g., 2 fives or 2 kings); - 3 of a kind; - 3 of the same suit (a.k.a a flush, e.g., 3 hearts or 3 clubs);
There are 15 juniors and 20 seniors in the Stat Club. The club is to send four representatives to the Joint Statistical Meetings. If the members of the club decide to send two junior and two seniors, how many different groupings are possible?
Compute the mean of the sampling distribution? Compute the standard deviation of sampling distribution?
About 2% of alumni give money upon receiving a solicitation from the college or university from which they graduated. Find the average number monetary gifts.
What is the probability for the given frequency distribution?
A study was conducted to determine whether a correlation exists between consumers' perceptions of a television commercial (measured on a special scale).
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