1. Researchers are interested in knowing the population proportion of people in Los Angeles County who have Covid-19 antibodies. A random sample of 8023 Los Angeles County residents found that 1430 have Covid-19 antibodies. a) Determine the minimum sample size needed to estimate, with 99% confidence, the population proportion of Los Angeles County residents who have Covid-19 antibodies if the estimate must be accurate within 1% of the population proportion.

1. Researchers are interested in knowing the population proportion of people in Los Angeles County who have Covid-19 antibodies. A random sample of 8023 Los Angeles County residents found that 1430 have Covid-19 antibodies. a) Determine the minimum sample size needed to estimate, with 99% confidence, the population proportion of Los Angeles County residents who have Covid-19 antibodies if the estimate must be accurate within 1% of the population proportion.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

I'm stuck on 1a, I don't know which numbers I should plug into the formula.

8.3 Extra Problems
Please remember to prove normality where appropriate!!
1. Researchers are interested in knowing the population proportion of people in Los Angeles
County who have Covid-19 antibodies. A random sample of 8023 Los Angeles County residents
found that 1430 have Covid-19 antibodies.
a) Determine the minimum sample size needed to estimate, with 99% confidence, the population
proportion of Los Angeles County residents who have Covid-19 antibodies if the estimate must be
accurate within 1% of the population proportion.

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