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One hundred sixty people were surveyed and asked if they believed in UFOs, ghosts, and Bigfoot. 42 believed in UFOs 45 believed in ghosts
21 believed in Bigfoot 11 believed in UFOs and ghosts
6 believed in ghosts and Bigfoot 4 believed in UFOs and Bigfoot
2 believed in all three
How many people surveyed believed in at least one of these things?
Show your work by creating and sharing an appropriate Venn diagram.
Test at the 5% significance level whether the variance of such bulbs is different from 4200 square hours.
Create a contingency table similar to that in Figure 5.6 with the Admission Rank numbers as row titles and the Bed Count Rank numbers as the column labels.
let x have the density fxx c2x 1 for 0 ? x ? 4 and fxx 0 otherwise where c is a constant.a find the value of c that
Construct a 99 percent confidence interval for the true mean diameter of a nickel. (c) Discuss any assumptions that are needed. (d) What sample size would ensure an error of ± 0.0005 inches with 99 percent confidence?
A soft drink bottling machine is set to dispense soft drink into containers labeled 16 ounces. While the actual quantities vary they are normally distributed with a mean of 16.1 ounces and a standard deviation of 0.015 ounces.
Some of the Fairly Fun Folks own pets (but only ferrets and fish; no frogs). Of these Folks, 2/5 own fish, 2/20 own both ferrets and fish.
Suppose you are interested in studying whether temperature affects spatial reasoning abilities. What is the dependent variable and the factor of interest
First, answer the initial post in a thorough paragraph. Provide historical examples and cite your text, the video, and an outside source. Second, respond to one or more classmates in a thorough paragraph. Build on or refute their point(s) with hi..
Discuss the four elements of a firm's marketing mix. Give several examples of how companies today have developed a marketing mix to compete in their industry.
You plan to fly from New York to Chicago and have a choice of two flights. You are able to find out how many minutes late each flight was for a random sample.
Only 26% of psychology majors are "satisfied" or "very satisfied" with their career paths as compared to 50% of accounting majors.
Refer to the Real Estate data, which report information on homes sold in the Goodyear, Arizona, area during the last year. Develop a 95% confidence interval for the mean selling price of the homes.
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