Explanation of the probability calculation for selecting at least two girls out of four employees in a fast food restaurant.
Probability calculation:
To find the probability that at least two girls are chosen from the 4 employees, we calculate the probability of choosing 2 girls, 3 girls, and all 4 girls and sum them up.
Sample and Group of Interest:
Sample: 4 employees selected; Group of interest: number of girls chosen (2, 3, or 4).
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