2. The population of SULU Hornbill ( one of the endangered bird species in the Philippines ) has a standard deviation of 40. Compute for the lenght of the confidence interval for a 90% confidence level having a sample size of 150 and a sample mean of 65.

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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2. The population of SULU Hornbill ( one of the endangered bird species in the Philippines ) has a standard deviation of 40. Compute
for the lenght of the confidence interval for a 90% confidence level having a sample size of 150 and a sample mean of 65.
Transcribed Image Text:2. The population of SULU Hornbill ( one of the endangered bird species in the Philippines ) has a standard deviation of 40. Compute for the lenght of the confidence interval for a 90% confidence level having a sample size of 150 and a sample mean of 65.
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