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Mathematics, 24.07.2020 14:01 bloodry

A survey concluded that 60% of cars going through the Lomonosov street encounters traffic jam. After installing a new traffic lights, a random sample of 2500 cars was found to contain 1462 cars encountered traffic jam. Have the new installed traffic lights had any effect? State your conclusion with 0.05 level of significance

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A survey concluded that 60% of cars going through the Lomonosov street encounters traffic jam. After...
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