michaelthegreat0708 michaelthegreat0708

12-05-2020
Mathematics

contestada

In a group of 30 students, the probability that at most 25 of them like to swim
is 38%. What is the probability that at least 26 of them like to swim?
A- 38
B- 62
C-55
D-44

Respuesta :

ronhagrid310 ronhagrid310

12-05-2020

Answer:

P(A) = at most 25 of them like to swim

P(B) = at least 26 of them like to swim

P(A) +P(B) = 100%

=> P(B) = 100-P(A) = 100-38 =62%

=> B is correct

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