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It is known that for a = 0.1.za/2= 1.645. Using this fact, solve the following problem. A sample of 43 companies was taken to find out how many companies went bankrupt over the period of 1 years. The proportion of the companies which filed bankruptsy appeared to be 0.20 in the sample. What is the left boundary of 90% confidence interval to estimate the proportion of bankrupt

It is known that for a = 0.1.za/2= 1.645. Using this fact, solve the following problem. A sample of 43 companies was taken to find out how many companies went bankrupt over the period of 1 years. The proportion of the companies which filed bankruptsy appeared to be 0.20 in the sample. What is the left boundary of 90% confidence interval to estimate the proportion of bankrupt

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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QUESTION 5 It is known that for a = 0.1, Za/2= 1.645. Using this fact, solve the following problem. A sample of 43 companies was taken to find out how many companies went bankrupt over the period of 10 years. The proportion of the companies which filed bankruptsy appeared to be 0.20 in the sample. What is the left boundary of 90% confidence interval to estimate the proportion of bankrupt companies over the period of 10 years? Assume that the conditions for the samling distribution to be approximately normal are satisfied. Round your answer to 4 decimals.
Transcribed Image Text:QUESTION 5 It is known that for a = 0.1, Za/2= 1.645. Using this fact, solve the following problem. A sample of 43 companies was taken to find out how many companies went bankrupt over the period of 10 years. The proportion of the companies which filed bankruptsy appeared to be 0.20 in the sample. What is the left boundary of 90% confidence interval to estimate the proportion of bankrupt companies over the period of 10 years? Assume that the conditions for the samling distribution to be approximately normal are satisfied. Round your answer to 4 decimals.
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