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What size sample would be necessary to find, with 95% confidence, the true population proportion, p, to within 2.5% if you had no idea what the true proportion was? This question stands alone and does not refer to any other question.
Find the probability that no chips with etching errors will be selected.
Suppose that by the end of 2009, that percentage was 85%. If a sample of 10 U.S. adults is selected, what is the probability
Discuss the difference between sales puffery and misrepresentation and how to avoid making mistakes that may prove costly to the firm.
assume that a procedure yields a binomial distribution with a trial repeated n times. use a binomial probabilities
Draw the Normal model for tree diameters.- What size would you expect the central 95% of all trees to be?- About what percent of the trees should be less than an inch in diameter?
a simple random sample of pulse rates of 40 women from a normally distributed population results in a standard
She discards the two diamonds and is dealt two more cards. What is the probability that she is dealt two more spades, making a flush?
If the graduate applies to all 10 companies, what is the probability that she will get at least one offer?- If she can apply to only one company, based on cost and success probability criteria alone, should she apply to company 5? Why or why not?
a). Is this evidence at 1% level that Professor Han's method produces less than 25% grades less than a C? b). What is the p-value for your test?
State your hypothesis and conduct a hypothesis testing using a significance of 0.10 What is your conclusion? And why? Interpret it. Please show all formulas and work!
a study on the manufacturer's claim for the demand of the toy colors
The manufacturer in Exercise 54 has noticed that the number of faulty cell phones in a produc- tion run of cell phones is usually small and that the quality of one day's run seems to have no bearing on the next day.
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