Question

A random sample of 500 people is taken. 260 of them rent (as oppose to own) their residence. Compute a 95% confidence interval for the true proportion of people who rent their residence. Enter the upper bound of this confidence interval. Round your answer to two decimal places.

Answer 1

Leh p denotes the popul aion prropontion (mue proportion ) of people who ent Hhein residence. we Know hhat when hh e Sample size is sufficienty Lange so 10 and n(l-p ne hten 100(1-α)% confidence a ere is the sample proporhion and E is he manin of em Or v th e numbev of people in he sample who nent he: who wen rheir re sidenee and 2 rv h e ve confid 1- en ee Level Hene n-570, χ: 260 and confidence Le veL0.95 2 6 0 50052 nf: 500 X 0.51: 260引 x(1-0.52)240

2 2 500 0 04 İntemv a Lfonf .. g5y. ConTidence Co. 18, 0.5% uppev bound E -0. 52 05 6 0 04