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1. Which component of a time series is most likely to occur? Which component has a pattern that must be complete in a single year and repeat from year to year?
2. If A and B are mutually exclusive events and the P(A) = .15 and the P(B) = .55, what is the P(event A or event B)?
3. Given the following data, calculate a 3 period moving average. 10, 18, 18, 20, 17, 32, 20, 31, 29
What kind of statistical test best did you use?
how many chocolate chip cookies will he need to sample to estimate the mean to within 2, what is a 99% confidence interval for the average number of chips per cookie?
Determine the values of mean M and standard deviation s for original sample?
What is the probability of this actually happening?
Perform hypothesis testing on one variable's data.
Assume that 60 percent of the voters in a particular region support a candidate. Find the probability that a sample of 1,000 voters will yield a sample proportion in favor of the candidate within 4 percentage points of the actual proportion.
Let A be the event that a randomly chosen employee has a college degree and B the event that the chosen employee's income is more than $50,000.
For the 20 test scores shown, find the percentile rank for a score of 86.
Findout the normal model for the given proportions. The professor has every student toss a coin 50 times also calculated the proportion
Which of the given properties doesn't apply to theoretical normal distribution?
Data in table represent number of consumer complaints against major U.S. airlines. If one complaint from table is arbitrarily chosen, determine the probability that it was filed against United Airlines.
Confirm whether given random variable is binomial distribution or not. If this experiment is finished with replacement, explain why.
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