The manufacturer of a new fertilizer wants to show that the new chemical increases bean yields. The average acre currently yields 146.8 bushels of beans. State the null and alternative hypotheses that the manufacturer would use to test its claim.
a.) Ho: mu < 146.8
H1: mu = 146.8
b.)Ho: mu = 146.8
H1: mu < 146.8
C.) Ho: mu > 146.8
H1: mu < 146.8
D.) Ho: mu = 146.8
Ha: mu > 146.8