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Find the indicated probabilities using the geometric distribution or poison distrubution. Then determine if the events are unusual, if convenient use the pioson probability table or technology to find the probabilities. A major hurricane is a hurricane with a wind speed of 111 miles per hour or greater. During the last century, the mean number of major hurricanes to strike a certain countries mainland per year was about 0.69. Find the probability that in a given year.
(a) Exact one major hurricane will strike the mainland
(b) At most one major hurricane will strike the main land
(c) More that one major hurricane will strike the mainland
Given this information we could use a Z test for two independent means and conclude that indeed the sales are different when the soup is a featured item.
A researcher is analyzing a dataset to determine whether the independent variables predict students' reading level.
what is the standard error of a sampling distribution when ? sigma 24 and n 144?a 20 b .167 c 2.0 d unable to
A manufacturer of flashlight batteries took a sample of 13 batteries from a day's production and used them continuously until they were drained. In what ways would this information be useful to the manufacturer?
You are given an annual time series with 40 consecutive values and asked to fit a fifth-order autoregressive model.
Using the .05 significance level, can we conclude that there is a positive association between the two variables?
The number of viewers of American Idol has a mean of 29 million with a standard deviation of 5 million. Assume this distribution follows a normal distribution.
M&M Confidence Interval regarding the count of each color of M&M contained in a "fun size" bag of M&Ms for hypothesis testing. Use the traditional hypothesis testing method,
The accounting department at Western Materials Inc. national manufacturer of unattached garages, reports it takes two construction workers of a mean of 32 hours and standard deviation of 2 hours to erect Red Barn MODEL.
Appalachian Coal mining believes it can enhance labor productivity and therefore net revenue by reducing air pollution in its mines. It estimates that the marginal cost function for reducing pollution by installing additional capital equipment is.
Discuss the concepts of independent and dependent events. Provide examples of independent and dependent events from the business environment.
Identify the independent and dependent variables. Perform a regression analysis on the data.
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