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Let's say we know the population standard deviation and we are asked to create a 95% confidence interval. Our sample size is 17. Which value most accurately represents the critical value of Z that you would use to plug in for your interval?
Imagine that these results are disseminated to the general public through publication and media coverage. Write about one possible harmful consequence that these conclusions could have in the "everyday" world.
To revise an existing inventory system, a company needs to know something about the lead time for orders it places for a critical part. The company looks at the last 20 orders placed and finds that the lead time in days are:
An estimate is needed of the mean acreage of farms in Manitoba, Canada. The estimate should be correct to within 100 acres with probability 0.95. A preliminary study suggests that 500 acres is a reasonable guess for the standard deviation of farm ..
what is the probability that a randomly selected value from the distribution will be greater than 2.1 standard deviations avoe the mean?
Assume the population is normally distributed, the confidence level is 95%, n = 12, and σ is unknown.
Determine the probability that person selected has blood type O? Given that person selected is a male, determine the probability that their blood type is AB?
Forecasting: The sales data for the lone star Sports Apparel Company for the last 12 years are as follows: What is the 2001- 2012 compound growth rate?
Use technology to find the estimated minium required sample size. The minimum sample size required is ? Computer users round to the nearest whole number. What is a major obstacle to getting a good estimate of the population mean?
Chi square compares actual data with expected data. What would the expected data be? For example, if I know the percentage of brown M&Ms in a bag is 40% set by the company
What is the expected number of Republicans who will win office in the coming election?
Convert each of the following z intervals to raw score x intervals:
Within each of your current careers/ jobs, there are sets of data that can be analyzed. For example, a teacher can use a set of test scores, a dietician can analyze a set of patient weights and correlate them to incidences of diabetes, and a sales..
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