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Suppose that a certain community has power needs for an additional 350 kilowatts of electricity and can anticipate average winds of 15 mph. How many windmills are needed to meet the added electric demand? (Round your answer to the nearest integer.)
P = 0.015v3
This problem has to do with graphical plotting and computation for certain distribution. Please mention a detailed response to the questions listed with appropriate graphical and statistical data representation(s).
find the z value based on standard normal distribution for each of the following 88 confidence interval for a
What is the probability of getting- Four or more on a single toss of a fair die and Ace or king on a single pick from a well-shu?ed standard deck of cards?
What is the Bonferroni adjustment? What would the Bonferroni adjustment be for a study with four groups for which a researcher decided to use t-tests?
1. suppose the average thread-life of a certain brand of tire is 42000 miles and that this mileage follows the
The average American male wears a size 10 shoe and spends 4 hours a year tying a tie. The average American female college student owns 3.5 pairs of jeans.
Suppose that, in a sample of 200, we observe 140 successes. Is this sufficient evidence at the 1% significance level to indicate the the population proportion of successes is greater than 65%
Test the significant difference between Chi-square for attributes
Find the value of, the standard deviation of the distribution of sample proportions. Write only as a number. Round to two decimal places.
(a) Draw a scatterplot. (b) Find the sample correlation between revenue and expenditure. (c) Draw a QQ plot. (d) Interpret (a), (b), and (c).
Assume that we have normally distributed data. From the standard normal table, find the probability area bounded by ±1 standard deviation units about a population mean and by ±1 standard errors about the mean for any distribution of sample means o..
My research question is: Does emotional intelligence affect happiness? What statistics test would be best to use since all my subjects were issued one survey at one time. I am not comparing age or gender. Just collecting responses.
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