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A telephone company claims that 20% of its customers have at least two telephone lines. The company selects random sampl
Posted: Wed May 11, 2022 4:34 pm
by answerhappygod
- A Telephone Company Claims That 20 Of Its Customers Have At Least Two Telephone Lines The Company Selects Random Sampl 1 (33.61 KiB) Viewed 21 times
A telephone company claims that 20% of its customers have at least two telephone lines. The company selects random sample of 500 customers and finds that 88 have two or more telephone lines. If a = 0.05, test the company's claim using critical values and rejection regions. 1. State hypotheses 2. Select the type of test 3. Find critical value 4. Calculate test value 5. Make a decision a 6. Write the conclusion