Park officials make predictions of times to the next eruption of a particular geyser, and collect data for the errors (minutes) in those predictions. the display from technology available below results from using the prediction errors to test the claim that the mean prediction error is equal to zero. comment on the accuracy of the predictions. use a

what are the null and alternative hypotheses?

a. upper h 0h0:
muμequals=00
minutes
upper h 1h1:
muμless than< 00
minutes
b. upper h 0h0:
muμequals=00
minutes
upper h 1h1:
muμnot equals≠00
minutes

c. upper h 0h0:
muμequals=00
minutes
upper h 1h1:
muμgreater than> 00
minutes
d. upper h 0h0:
muμless than< 00
minutes
upper h 1h1:
muμequals=00
minutes