1) A cone and its dimensions are shown in the diagram.
Which measurement is closest to
the volume of the cone in cubic
inches?
A 92.82
B 371.32 in
C 123.77 in
D 30.94 in

Astudy claims that the mean age of online dating service users is 40 years. some researchers think this is not accurate and want to show that the mean age is not 40 years. identify the null hypothesis, h0, and the alternative hypothesis, ha, in terms of the parameter μ. select the correct answer below: h0: μ≥40; ha: μ< 40 h0: μ≤40; ha: μ> 40 h0: μ≠40; ha: μ=40 h0: μ=40; ha: μ≠40