(Answered) A cell company claims that at least 15 of its customers

Statistics

A cell company claims that at least 15% of its customers have 2 or more lines. The company selects a random sample of 500 customers and finds that 65 have 2 or more telephone lines. If α = 0.02, show all key steps and test whether the proportion is less than 15% using the critical value approach.

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