Ages: 20 24 54 61 42 20 30 52 59 55 57 64 51 61 34 28 39 32 34 44 57 52 26 49 43 63 56 65 43 65 41 24 57 50 49

I.Find proportion of ages more than 50 years in the selected sample.

II.Using 1% level of significance, can it be concluded that proportion of the persons of age more than 50 years is less than 0.27 in the population.