A researcher took a sample of 10 years and found the following relationship betw
ID: 3248947 • Letter: A
Question
A researcher took a sample of 10 years and found the following relationship between x and y, where x is the number of major natural calamities (such as tornadoes, hurricanes, earthquakes, floods, etc.) that occurred during a year and Y represents the average annual total profits (in millions of dollars) of a sample of insurance companies in the United States. a. A randomly selected year had 24 major calamities. What are the expected average profits of U.S. insurance companies for that year? The expected average profits are $ million. exact number, no toleranceExplanation / Answer
The fitted regression model is
y hat=350.7 - 1.8x
where x is major natural calamities
and y is annual total profits
when x=24
y hat=350.7 - 1.8x
y hat=350.7 - 1.8*24 = 307.5
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