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If np> and nq>5, estimate P(more than 4) with n=12 and p=0.7 by using the normal distribution as an approximation to the binomial distribution to the binomial; if np<5 or nq<5, then state that the normal approximation is not suitable.
P(more than 4)=
Agricultural researchers are studying three different ways of planting peanuts to determine whether significantly different levels of production yield will result.
out of 2430 mlb games played in 2009 the home team won the game in 54.9 of the games. test to see if there is evidence
Find the confidence interval for the mean price, μ, of all dealer sticker prices of new cars: for a confidence level of 90% in thousands of dollars:
A researcher investigating sex role stereotypes and occupational aspirations drew a random sample of 125 female university students.
A sports researcher gave a standard written test of eating habits to 12 randomly selected professionals, four each from baseball, football, and basketball. The results were as follows:
you bought a new set of tires from the manufacturer who just announced a recall because 12 of those tires are
A field researcher is gathering data on the trunk diameters of mature pine and spruce trees in a certain area. The following are the results of his random sampling. Can he conclude, at the 0.10 level of significance, that the average trunk di..
data from previous years reveal that the distribution of the final exam scores in an introductory statistics class is
The Internal Revenue Service (IRS) provides a toll-free help line for taxpayers to call in and get answers to questions as they prepare their tax returns.
in 1999 a sample of 200 in-store shoppers showed that 42 paid by debit card. in 2004 a sample of the same size showed
To estimate this proportion he went to a large student parking lot during the middle of a class day. He found that 325 out of 1037 cars (31%) were red.
question where do cfos get their money news? according to robert half international 47 get their money news from
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