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Because Mike and Ikes are your favorite candy, you decided to apply statistics to them. Assume your bag of Mike and Ikes is a simple random sample. Suppose you have 23 Mike and Ikes. The lengths of Mike and Ikes in your bag are normally distributed with a mean of 1.5 cm and standard deviation of 0.15 cm. Make a 99% confidence interval for the variance of Mike and Ikes lengths.
The manager of a firm wants to determine if the average hourly wage for semi-skilled workers is $9 in the Capital District.
About what percent of x values lie between the first and third standard deviations(both sides)?
A consumer group conducts crash test of new model cars. to determine the severity of damage to 2006 mazda 6s resulting from 10-mph crash into a concrete wall, the research group tests six cars of this type and assesses the amount of damage. descri..
Describe the W s for these data: Who, What, Where, Why, When, How.- Name the variables and classify each as categorical or quantitative.
Select a process (a set of specified steps to accomplish a task) used at your place of work or in your interaction with a business that you would like
What is the area equal to under a normal curve distribution? What does the Central Limit Theorem say about the traditional sample size that separates a large sample size from a small sample size?
A gas station sold a total of 8019 gallons of gas on nine randomly picked days. Suppose the amount sold on a day is normally distributed with a true standard.
For each student who has taken a 20-question exam, the percentage of correct answers versus the number of correct answers.
a manufacturer knows that their items have a normally distributed lifespan with a mean of 3.1 years and standard
Estimate the population means growth in 1 year for 14-year-old boys. Make a point estimate and an 80% confidence interval estimate.
The agency found that 10% of the time, over 1,000 people respond immediately after a mailing, and 50% of the time, at least 650 people respond right after the mailing. Find the mean and the standard deviation of the number of people who respond fo..
A professor wants to know whether her class of 60 students would prefer the final exam to be given as a take-home exam or an in-class exam.
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