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a) Below are the numbers of deaths from tornados in the U.S. from 1990 through 2000.
53, 39, 39, 33, 69, 30, 25, 67, 130, 94, 40.
Calculate the median and mean.
b) Find the variance and standard deviation of the following numbers
2, 4, 6, 8, 10 .
Perform the necessary calculations to determine which of the two mutual funds is better. Which one should you choose to maximize the expected value?
Find the probability that a randomly selected x-value from the distribution is in the given interval. Between 29 and 37.
A simple random sample is to be drawn from a population of 1200. To have 90% confidence that the sampling error in estimating p is no more than 0.03
questiona it is noted that 8 of kaplan students are left handed. if twenty 20 students are randomly selectednbsp
What is the probability that he or she will be a problem gambler who does not play poker machines (rounded to 3 decimal places)?
A doctor suspected that smokers between 40 and 50 with lung disease had been smoking on average more than 20 years - significance level is there sufficient evidence to justify the doctors belief?
How would managers find benefit in helping them to obtain valuable information in problem identification research. Discuss whether these data are secondary or primary and justify your answers
You work in the corporate office for a nationwide convenience store franchise that operates nearly 10,000 stores. The per-store daily customer count has been steady,
Draw a scatter diagram of the following bivariate data.
Find the probability of drawing either a king or a spade in a single draw from a pack of 52 playing cards.
question the joint probability function of two random discrete variables x and y with natural values not negative
A textile manufacturer estimates that it produces bolts of cloth with flaws following a Poisson distribution that has an average of one flaw per 200 feet of cloth.
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