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3. A survey on the drinking habits of Filipinos estimated the percentage of adults who drink beer occasionally. Of the 1516 adults interviewed, 985 said they drank. Construct a 95% confidence interval for the population proportion of Filipino adults who do not drink beer.

3. A survey on the drinking habits of Filipinos estimated the percentage of adults who drink beer occasionally. Of the 1516 adults interviewed, 985 said they drank. Construct a 95% confidence interval for the population proportion of Filipino adults who do not drink beer.

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
Section10.4: Distributions Of Data
Problem 19PFA
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1. Itis known from past records the grade point average of senior students is normally distributed with a standard deviation of 0.3. A researcher collects the grade point average of 36 sample students and found out that their mean grade is 2.6. Find a 95% confidence interval for the grade point average of the entire senior students. 2. In a random sample of 500 students in SNHS eating lunch, it was found out that 160 preferred sea foods. Construct a 90% confidence interval for the population proportion of all students in SNHS who eat sea foods. 3. A survey on the drinking habits of Filipinos estimated the percentage of adults who drink beer occasionally. Of the 1516 adults interviewed, 985 said they drank. Construct a 95% confidence interval for the population proportion of Filipino adults who do not drink beer. 4. A sociologist wants information on the number of children per household in a certain barangay. To do this, she randomly selected 10 households in that barangay and recorded the following number of children. 3 2 3 4 5 1 3 Construct a 90% confidence interval for the average number of children in that barangay.
Transcribed Image Text:1. Itis known from past records the grade point average of senior students is normally distributed with a standard deviation of 0.3. A researcher collects the grade point average of 36 sample students and found out that their mean grade is 2.6. Find a 95% confidence interval for the grade point average of the entire senior students. 2. In a random sample of 500 students in SNHS eating lunch, it was found out that 160 preferred sea foods. Construct a 90% confidence interval for the population proportion of all students in SNHS who eat sea foods. 3. A survey on the drinking habits of Filipinos estimated the percentage of adults who drink beer occasionally. Of the 1516 adults interviewed, 985 said they drank. Construct a 95% confidence interval for the population proportion of Filipino adults who do not drink beer. 4. A sociologist wants information on the number of children per household in a certain barangay. To do this, she randomly selected 10 households in that barangay and recorded the following number of children. 3 2 3 4 5 1 3 Construct a 90% confidence interval for the average number of children in that barangay.
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