# Question

Refer to Exercise 2, where we are attempting to link a company’s annual R & D Budget (x) to the number of patents granted to researchers at the company (y). The estimated regression equation turned out to be ˆy = 3.5 – 1.0x. Show the 95% confidence interval estimate of the expected number of patents granted to companies with an annual R & D budget of $ 7 million.

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