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1. Of the members of a bowling league, 10% are widowed. If 200 bowling league members are selected at random, calculate the probability that 10 or more will be widowed. (CO1, C3, PO1)

1. Of the members of a bowling league, 10% are widowed. If 200 bowling league members are selected at random, calculate the probability that 10 or more will be widowed. (CO1, C3, PO1)

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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1. Of the members of a bowling league, 10% are widowed. If 200 bowling league members are selected at random, calculate the probability that 10 or more will be widowed. (CO1, C3, PO1) 2. The following data give the household power (in kW.) usage of two areas in Selangor. Каang 19.8 22.1 21.5 20.9 22.0 21.0 22.3 21.0 20.3 20.9 Bangi 23.2 22.0 22.2 21.2 21.6 21.6 21.9 22.0 22.9 22.8 Assuming the variances for each group are the same, demonstrate any evidence at the 5% level to suggest that the differences power usage between the two area? (CO2, C3, PO1) 3. Researchers have conducted a survey of 1600 coffee drinkers asking how much coffee they drink in order to confirm previous studies. Previous studies have indicated that 72% of Malaysian drink coffee. The results of previous studies (Left) and the survey (Right) are below. At a = 0.05, construct enough evidence to conclude that the distributions are the same? (CO2, C3, PO1) Response % of coffee drinkers Response Frequency 15% 2 cups per week 1 cup per week 1 cup per day 2 cups per week 206 1 cup per week 1 cup per day 2+ cups per day 13% 193 27% 462 45% 2+ cups per day 739
Transcribed Image Text:1. Of the members of a bowling league, 10% are widowed. If 200 bowling league members are selected at random, calculate the probability that 10 or more will be widowed. (CO1, C3, PO1) 2. The following data give the household power (in kW.) usage of two areas in Selangor. Каang 19.8 22.1 21.5 20.9 22.0 21.0 22.3 21.0 20.3 20.9 Bangi 23.2 22.0 22.2 21.2 21.6 21.6 21.9 22.0 22.9 22.8 Assuming the variances for each group are the same, demonstrate any evidence at the 5% level to suggest that the differences power usage between the two area? (CO2, C3, PO1) 3. Researchers have conducted a survey of 1600 coffee drinkers asking how much coffee they drink in order to confirm previous studies. Previous studies have indicated that 72% of Malaysian drink coffee. The results of previous studies (Left) and the survey (Right) are below. At a = 0.05, construct enough evidence to conclude that the distributions are the same? (CO2, C3, PO1) Response % of coffee drinkers Response Frequency 15% 2 cups per week 1 cup per week 1 cup per day 2 cups per week 206 1 cup per week 1 cup per day 2+ cups per day 13% 193 27% 462 45% 2+ cups per day 739
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