ytyugguuh56
10.03.2020 •
Mathematics
Among a student group 49% use Google Chrome, 20% Internet Explorer, 10% Firefox, 5% Mozilla, and the rest use Safari. What is the probability that you need to pick 7 students to find 2 students using Google Chrome
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Ответ:
17.39%
Step-by-step explanation:
We can summary the question:
Probability of students using Google chrome= 0.49 Probability of students using other browsers = 0.51So the probability that you need to pick 7 students to find 2 students using Google Chrome is:
P(G) =
* (
)(
) = 21*0.2401*0.03 = 0.1739 = 17.39%
Ответ:
what are the options?
Step-by-step explanation: