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3. Confidence Level =99%, x = 28, σ = 12, n = 60 4. To estimate the average salary of policemen, 64 of them were taken as samples. If the mean salary of these samples is Php25,000 with standard deviation of Php800, construct a 90% confidence interval estimate for the average salary of all policemen. 5. The average weight of 15 adult Dagupan Bangus is 750grams with standard deviation of 80grams. Construct a 98% confidence interval estimate of the average weight of all adult Dagupan Bangus.

3. Confidence Level =99%, x = 28, σ = 12, n = 60 4. To estimate the average salary of policemen, 64 of them were taken as samples. If the mean salary of these samples is Php25,000 with standard deviation of Php800, construct a 90% confidence interval estimate for the average salary of all policemen. 5. The average weight of 15 adult Dagupan Bangus is 750grams with standard deviation of 80grams. Construct a 98% confidence interval estimate of the average weight of all adult Dagupan Bangus.

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 26PFA
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answer 3, 4, and 5

Activity 1.3. Compute the interval estimate given the following data: 1. Confidence Level =90%, x = 42, s = 10, n = 20 2. Confidence Level =95%, x = 142, o = 9, n = 25 3. Confidence Level =99%, x = 28, o = 12, n = 60 4. To estimate the average salary of policemen, 64 of them were taken as samples. If the mean salary of these samples is Php25,000 with standard deviation of Php800, construct a 90% confidence interval estimate for the average salary of all policemen. 5. The average weight of 15 adult Dagupan Bangus is 750grams with standard deviation of 80grams. Construct a 98% confidence interval estimate of the average weight of all adult Dagupan Bangus.
Transcribed Image Text:Activity 1.3. Compute the interval estimate given the following data: 1. Confidence Level =90%, x = 42, s = 10, n = 20 2. Confidence Level =95%, x = 142, o = 9, n = 25 3. Confidence Level =99%, x = 28, o = 12, n = 60 4. To estimate the average salary of policemen, 64 of them were taken as samples. If the mean salary of these samples is Php25,000 with standard deviation of Php800, construct a 90% confidence interval estimate for the average salary of all policemen. 5. The average weight of 15 adult Dagupan Bangus is 750grams with standard deviation of 80grams. Construct a 98% confidence interval estimate of the average weight of all adult Dagupan Bangus.
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