Construct a 99% confidence interval for the true proportion of all employees of People Plus Pty who believe that they should be given a raise by the company, given that 115 out of a sample of 135 employees support this suggestion. Interpret your answer

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Q: Construct a 90% confidence interval for the true proportion of all employees of People Plus Pty who…

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Q: Construct a 90% confidence interval for the true proportion of all employees of People Plus Pty who…

A: Givenn=145x=130p^=xn=130145=0.8966α=1-0.90=0.10α2=0.05zc=z0.05=1.6449  (from z-table)

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.