Answer to Question #347309 in Statistics and Probability for Nyonyoma

Question

A bank Manager developed a new System to reduce the time customers spend waiting for a teller

service during peak hours. The Manager hopes that the new system will reduce the waiting time

hypothesis and alternative hypothesis needed if we want to attempt to provide evidence

the 100 waiting times to support the claim that the mean waiting time under new system is shorter

than 6 minutes.

from the current 9 to 10 minutes to less than 6 minutes. Suppose that the Managerwishes to use

a)Letting µ represent the mean waiting time under the new system, set up the null

b)In the context of this situation interpret making a type I error, interpret making a type II error

supporting claim that µ is shorter than 6 minutes.

Answer 1

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