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1) An understanding of statistics is necessary in any job. The use of statistics can help provide answers to many questions. Please, post a question you think that statistics may help you answer and explain why statistics can help provide an accurate answer?
2) The internet is host to a wealth of information and much of that information comes from raw data that have been collected or observed.Many websites summarize such data using graphical methods discussed in this chapter.
Find a website related to your major (Criminal Justice) that summarizes data and uses graphs, and share it with the class. Let us know how it relates to your major and why it is of interest to you.
3) In one sentence, please write what you understand by the term standard deviation.
4) Imagine yourself at a fair playing one of the midway games. Pick a game and calculate the expected value and post your results along with how you calculated them. For example, you may decide to throw a basketball to try to win a $10 bear. You paid $2.00 for three shots.
What is the expected value? (Please do not use this example in your answer)
test the given claim using the traditional method of hypothesis testing. assume that the sample has been randomly
the lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days. random
What is the probability that the equipment will undergo maintenance if it is performing satisfactorily? what is the probability that the equipment will not undergo maintenance if it is not performing satisfactorily?
Assume that a lot from product 5% non-conforming is submitted. Using Poisson Distribution compute the approximate probabilities that: the lot will be accepted and still in a reduced inspection.
a medical device manufacturer claims to have developed a thin aicd that contains a mean of no less than 41 joules of
a 15-ft diameter wind turbine operates in a 25 ftsec wind at 1 atm and 60 degrees f. the turbine is used to pump 60
The random variable x is known to be uniformly distributed between 70 and 90. The probability of x having a value between 80 to 95 is
Find a 95% confidence interval for the proportion of voters in Massachusetts who would respond this way. Are the assumptions and conditions satisfied? Explain.
Prove that an entire function that omits the value 0 and 1 is a constant.
Around the end of the 15th century, which two houses battled each other for control of the English throne in the Wars of the Roses?
At the time she was hired as a server at the Grumney Family Restaurant, Beth Brigden was told, "You can average $72 a day in tips." Assume the population of daily tips is normally distributed with a standard deviation of $2.45.
Construct the 90% and 95% interval estimates for the population mean weekly sales.
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