Mathematics, 16.12.2019 19:31 justritegrl
The average customer waiting time at a fast food restaurant has been 7.5 minutes. the customer waiting time has a normal distribution. the manager claims that the use of a new system will decrease average customer waiting time in the store. what is the null and alternative hypothesis for this scenario? (ch10)
a. h0: m =7.5 and h1: m ? 7.5
b. h0: m < =7.5 and h1: m > 7.5
c. h0: m > =7.5 and h1: m < 7.5
d. h0: m < 7.5 and h1: m > =7.5
e. h0: m > 7.5 and h1: m < = 7.5
Answers: 1
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