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Suppose that past history shows that 60% of college students prefer Brand C cola. A sample of 5 students is to be selected. The probability that at least 1 prefers brand C is ________.

Respuesta :

jepessoa

Answer:

98.98%

Explanation:

the probability that at least 1 student prefers brand C = 1 - probability than 0 students prefer brand C

probability that 0 students prefer brand C = (0.4)⁵ = 0.01024

probability that at least 1 student prefers brand C = 1 - 0.01024 = 0.98976 = 98.98%

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