To determine how many voters need to be in favor for Proposition 3 to pass, we need to calculate what percentage of the total voters is required for it to pass.
From the data provided:
- Total voters surveyed: 300
- Voters in favor: 152
- Voters against: 105
- Undecided: 25
To find the minimum number of votes required to be in favor, we typically consider that a majority is needed. A simple majority is calculated as more than half of the total votes.
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Calculate half of total voters: \[ \text{Half of 300} = \frac{300}{2} = 150 \]
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Since a majority means more than half, we need more than 150 votes in favor: \[ \text{Votes needed to pass} = 150 + 1 = 151 \]
Therefore, Proposition 3 will pass if 151 of all voters are in favor.
In the survey of 300 people, half would be 150 people.