b) Suppose that a South African Broadcasting Corporation (SABC) official wants to conduct a survey in Limpopo to estimate, with 95% confidence, a support for the premier's strategies on economy within 3% error. If the official has initial estimate that 70% of the people in Limpopo support the economic strategies of the premier. How many people should SABC survey?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 5E
Question
b)
Suppose that a South African Broadcasting Corporation (SABC) official wants to conduct a
survey in Limpopo to estimate, with 95% confidence, a support for the premier's strategies on
economy within 3% error. If the official has initial estimate that 70% of the people in Limpopo
support the economic strategies of the premier. How many people should SABC survey?
Transcribed Image Text:b) Suppose that a South African Broadcasting Corporation (SABC) official wants to conduct a survey in Limpopo to estimate, with 95% confidence, a support for the premier's strategies on economy within 3% error. If the official has initial estimate that 70% of the people in Limpopo support the economic strategies of the premier. How many people should SABC survey?
Expert Solution
Step 1

Given information-

The percentage of people who support the economic strategies of the premier, p = 0.70

Error = 0.03

Confidence level = 0.95

We have to find the number of people should SABC survey.

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