A large company states in its promotional literature that 74 percent of its employees have college degrees. Assume this claim is true. If 4 employees are selected at random from this company, what is the probability that at least 1 of the selected employees has a college degree?

The probability that one employee does not have a college degree is 1 − 0.74 = 0.26. The probability that all 4 selected employees lack degrees is 0.26⁴ = 0.00456976, so the probability that at least 1 has a degree is 1 − 0.00456976 ≈ 0.9954, matching choice B, 0.9954.

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