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Since the binomial distribution is a specific example of a probability distribution, we must be able to assign a probability distribution or probability function to the random variable X. So, what is the distribution of X when X ~ bin(n, p)?
A researcher conductued a study of the access speed of 35 hard drives and concluded that his maximum error of estimate was 35. If he were to conduct a second study to reduce the maximum error of estimate to 7, about how many hard drives should he ..
Suppose a wildlife service wishes to estimate, with 99% confidence, the mean number of days of hunting per hunter for all licensed hunters in the state during a given season, with a bound on the error of estimation equal to 2 hunting days.
The personnel office at a large electronics firm regularly schedules job interviews and maintains records of the interviews. From the past records
A standard deviation of 20. If the seller wishes to have adequate stock 95% of the time, how many of the games must she keep on hand.
The second segment goes from (1,1) to the point (x, 1). Sketch the distribution function, and determine what x has to be in order to be a legitimate density curve.
If represents the true average gas mileage for this new model, which of the following gives the null and alternative hypothesis that the CONSUMER group should test?
A population of scores forms a normal distribution with a mean of 40 and a standard deviation of 12. What is the probability of randomly selecting a score less than x=34?
Find the probability among 6 randomly selected graduates, that at most 2 of them find a job in his or her chosen field within a year.
State the hypotheses. (b) State the decision rule and sketch it. (c) Find the test statistic. (d) Make a decision. (e) Estimate the p-value and interpret it. HeartRate.
Give all steps of a test of the hypothesis that the corresponding population proportions are equal.
To find the probabilities values of standard normal variable
Discuss a recent research project undertaken in the last 3 to 5 years. What type of analysis was conducted? What decisions were made?
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