A hypothesis test was conducted to investigate whether the population mean age of college students at Osler city is different from 24. a) This is a

• right-tailed test.
• two-tailed test.
• left-tailed test.
• half-way test.

b) Select a correct formulation of the appropriate hypotheses:

• H0:24H0:24 H1:<24H1:<24
• H0:>24H0:>24 H1:24H1:24
• H0:24H0:24 H1:>24H1:>24
• H0:<24H0:<24 H1:24H1:24
• H0:=24H0:=24 H1:24H1:24
• H0:24H0:24 H1:=24