Macaws are tropical birds that can live a very long time. The bou plots below show the lessons Gayno da random sample of macaws that lived in captivity and a random sample that lived in the wild,
Captivity
Wild
30 35 40 45 50 55 60 65 70 75 80 85 90
Lifespan (years)
Fill in the blanks,
The center of the captivity distribution is
the center of the wild distribution,

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