5. A vote is to be taken among the residents of a town and the surrounding county to determine whether a proposed chemical plant should be constructed. The construction site is within the town limits, and for this reason many voters in the county believe that the proposal will pass because of the large proportion of town voters who favor the construction. To determine if there is a significant difference in the proportions of town voters and county voters favoring the proposal, a poll is taken. If 120 of 200 town voters favor the proposal and 240 of 500 county residents favor it, would you agree that the proportion of town voters favoring the proposal is higher than the proportion of county voters? Use an a = 0.05 level of significance.

MATLAB: An Introduction with Applications
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5. A vote is to be taken among the residents of a town and the surrounding county to determine whether a proposed 
chemical plant should be constructed. The construction site is within the town limits, and for this reason many voters in 
the county believe that the proposal will pass because of the large proportion of town voters who favor the construction. 
To determine if there is a significant difference in the proportions of town voters and county voters favoring the proposal, 
a poll is taken. If 120 of 200 town voters favor the proposal and 240 of 500 county residents favor it, would you agree that 
the proportion of town voters favoring the proposal is higher than the proportion of county voters? Use an α = 0.05 level 
of significance.

5. A vote is to be taken among the residents of a town and the surrounding county to determine whether a proposed
chemical plant should be constructed. The construction site is within the town limits, and for this reason many voters in
the county believe that the proposal will pass because of the large proportion of town voters who favor the construction.
To determine if there is a significant difference in the proportions of town voters and county voters favoring the proposal,
a poll is taken. If 120 of 200 town voters favor the proposal and 240 of 500 county residents favor it, would you agree that
the proportion of town voters favoring the proposal is higher than the proportion of county voters? Use an a = 0.05 level
of significance.
Transcribed Image Text:5. A vote is to be taken among the residents of a town and the surrounding county to determine whether a proposed chemical plant should be constructed. The construction site is within the town limits, and for this reason many voters in the county believe that the proposal will pass because of the large proportion of town voters who favor the construction. To determine if there is a significant difference in the proportions of town voters and county voters favoring the proposal, a poll is taken. If 120 of 200 town voters favor the proposal and 240 of 500 county residents favor it, would you agree that the proportion of town voters favoring the proposal is higher than the proportion of county voters? Use an a = 0.05 level of significance.
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