A new computer system and claims that people will no longer have to wait as long.A.Null hypothesis: mean waiting time < 8.4 minutesAlternative hypothesis: mean waiting time = 8.4 minutesB.Null
A hypothesis test is to be performed. State the null and alternative hypotheses.

Last month the mean waiting time at a bank was 8.4 minutes. The manager has installed a new computer system and claims that people will no longer have to wait as long.

A. Null hypothesis: mean waiting time < 8.4 minutes
Alternative hypothesis: mean waiting time = 8.4 minutes

B. Null hypothesis: mean waiting time = 8.4 minutes
Alternative hypothesis: mean waiting time = 8.4 minutes

C. Null hypothesis: mean waiting time = 8.4 minutes
Alternative hypothesis: mean waiting time < 8.4 minutes

D. Null hypothesis: mean waiting time > 8.4 minutes
Alternative hypothesis: mean waiting time < 8.4 minutes