Student: Aim Schwartz Instructor: Charlie Major Date: 10/14/12 Course: Statistics for Decision-Making Time: 5:55 PM (63) Book: Larson: Elementary Statistics: Picturing the World, 5e Assignment: Week 6...

Student: Aim Schwartz Instructor: Charlie Major Date: 10/14/12 Course: Statistics for Decision-Making Time: 5:55 PM (63) Book: Larson: Elementary Statistics: Picturing the World, 5e
Assignment: Week 6 Homework 40 pts
6.3.19. A researcher wishes to estimate, with 95% confidence, the proportion of adults who have high-speed Internet access. Her estimate must be accurate within 1% of the true proportion. a) Find the minimum sample size needed, using a prior study that found that 36% of the respondents said they have high-speed Internet access. b) No preliminary estimate is available. Find the minimum sample size needed. a) What is the minimum sample size needed using a prior study that found that 36% of the respondents said they have high-speed Internet access?
n=
(Round up to the nearest whole number as needed.)
b) What is the minimum sample size needed assuming that no preliminary estimate is available?
n = (Round up to the nearest whole number as needed.)
Page 1