The number of nonmobile broadband subscriptions per 100 inhabitants of the U.S. in recent years is given

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The number of nonmobile broadband subscriptions per 100 inhabitants of the U.S. in recent years is given in the following table.

(a) Find an equation for the least squares line, letting x be the number of years since 2000.

(b) Based on your answer to part (a), at approximately what rate is the number of subscriptions per 100 inhabitants growing per year?

(c) Use your result from part (a) to predict the number of subscriptions per 100 inhabitants in the year 2026.

(d) If this trend continues linearly, in what year will the number of subscriptions per 100 inhabitants reach at least 45?

(e) Find and interpret the correlation coefficient.

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