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We saw that, under certain circumstances, the binomial distribution can be approximated by two other distributions that are simpler to work with. In each of the following cases, apply both approximations, if possible, and compare the answers. Indicate which one you think is closer to the correct answer. If an approximation is not possible, indicate why you think so. You may use calculators or MATLAB programs for calculation.:
a) A measuring device makes errors with a probability of 0.001 on each measurement. What is the probability of more than 20 errors in 10,000 measurements?
b) A difficult experiment has a probability 0.8 of succeeding each time it is done. What is the probability of 98 successful experiments in 100 attempts?
a seven-year medical research study reported that women whose mothers took the drug des during pregnancy were twice as
suppose that two teams play in a series which can at most can have 5 games played. for example if team a wins 3 games
a student is taking two courses history and math. the probability the student will pass the history course is .51 and
It is estimated that 55% of the freshmen entering a particular college will graduate from that college in four years. a. For a random sample of 5 entering freshmen, what is the probability that exactly 3 will graduate in four years?
The mean, median, and mode are the most common measures of dispersion (spread).
Impact of September 11 Palos Co. commonly invests some of its excess dollars in foreign government short-term securities in order to earn a higher short-term interest rate on its cash.
market researcher gartner dataquest reports that dell computer controls 27 of the pc market in the united states.
Given the points x={xo, x1, x2,.... xn}^T and the function values f={fo, f1, f2, ....fn}^T at those points, we want to generate a 7th degree spline, i.e. a piecewise 7th degree polynomial approximation.
What is the probability of getting seven heads in a sample of twenty coin flips? Is this significantly different from the population in which P = 0.50 if the alpha is 0.05?
The planner randomly selected 1000 orders and found that 180 orders were shipped late. Construct the 99% confidence interval for the proportion of orders shipped late.
Construct a 99% confidence interval for the proportion of adults who are worried about having enough money for retirement.
Describe the unique fundamentals of a qualtitative research study, addressing the following:
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