A manufacturer of washing machines has experienced a 2 repair ...

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A manufacturer of washing machines has experienced a 2 repair rate. In a city where 120,000 of its machines are located, the company plans to open its own repair service and needs to determine the number of repair workers to hire. Each worker can handle calls for 1000 machine repairs. If the company wants to cover calls 90 of the time, how many workers must it hire for the new repair facility?

Question 2

Determine which of the following population size and sample size combinations would require the use of the finite population correction factor in calculating the standard error. A) N = 150; n = 25 B) N = 1500; n = 300 C) N = 2500; n = 75 D) N = 15,000; n = 1000

[Bison]

Answer to Question 1

2.46

Answer to Question 2

Yes; Yes; No; Yes

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TYSM

[kjohnson]

Gracias!