Name the type of analysis that should be performed to solve the word problem. Yo
ID: 3179366 • Letter: N
Question
Name the type of analysis that should be performed to solve the word problem. You do not need to solve the problem).
1. 50% of people have their birthday between February 1 and July 31. In a group of 4 random people, what is the distribution of the number of people who have birthdays between February 1 and July 31?
2. Steve ("Smokey") Jones is a ranger in Plywood National Forest, and he has access to forest fire records over a 65-year period. Most years are fire-free, but one dry year 16 fires burned ten acres or more. He has discovered the average is 1.8 fires per year. How can he calculate the odds of one or more fires in Plywood next year?
3. Suppose the average age of New Zealand residents is 29.6 years. Raymond Yachtclub (the new planning director of Wellington) wants to determine if the city has a typical age profile, with a mean age similar to the national average. If information is collected from a sample of 80 Wellington residents, what test should he use?
Explanation / Answer
a) Probability density function, calculate the probabilty and compare it with the distributions to conclude the distributuion.
b) By using Odds Ratio method one can conclude one or more fires in Plywood in next year could happen or not.
c) By using Paired t-test one can compare mean age.
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