Mathematics, 20.05.2021 17:50 santiagoagilg

Marietta has three random samples of the same size from a population of 500 people. In one sample, 50% of people have a wand. In another, 45% of people have a wand. In the third, 40% have a wand.
Based on the three samples, how many people with a wand should he expect are in the population?

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Marietta has three random samples of the same size from a population of 500 people. In one sample, 50% of people have a wand. In another, 45% of people have a wand. In the third, 40% have a wand. Based on the three samples, how many people with a wand should he expect are in the population?

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Another question on Mathematics

Marietta has three random samples of the same size from a population of 500 people. In one sample, 50% of people have a wand. In another, 45% of people have a wand. In the third, 40% have a wand.
Based on the three samples, how many people with a wand should he expect are in the population?