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1. Find the probability of at least one offer. What is the probability that Julie is offered at least one of the three jobs?
2. Find the probability of another event. What is the probability that Julie is offered both the Connecticut and New Jersey jobs, but not the federal job?
3. Find a conditional probability. If Julie is offered the federal job, what is the conditional probability that she is also offered the New Jersey job? If Julie is offered the New Jersey job, what is the conditional probability that she is also offered the federal job?
Using the population standard deviation of 1.4 ounces, find the sample size required if we want our margin of error to be less than 0.25 ounces with 95% confidence.
in this problem we explore the effect on the standard deviation of adding the same constant to each data value in a
Only 10% of American adults can name the capital of the Czech Republic. On a television game show the three randomly selected contestants are given the question "What is the capital of the Czech Republic?" The probability that none of them will kn..
a bottled water plant utilizes a production process designed to fill bottles with 20 ounces of water. the population of
Two researchers are both interested in the relationship between caffeine consumption and activity level for elementary school children. Each obtains a sample of n = 20 children.
Should the engineering firm be concerned? Perform an appropriate hypothesis test, showing the necessary calculations and/or explaining the process used to obtain the results.
v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Normal 0 false false false EN-US X-NONE X-NONE find the mean, varia..
utility analysis is a sophisticated theoretical approach to decision-making. list a few of your personal decision
Over the past 50 years, the number of hurricanes that have been reported are as follows: 9 times there were 7 hurricanes, 14 times there were 8 hurricanes, 19 times there were 11 hurricanes, and in the remaining years there were 14 hurricanes. Wha..
A research team conducted a study of soft-drink preferences among residents in a test market prior to an advertising campaign for a new cola product.
Critically discuss some examples of descriptive statistics? Why are they used in research? What is a confidence interval?
a survey of 850 workers were asked how much they used the internet at work. 578 said they used the internet within
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