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Below, the two-way table is given for a
class of students.
Freshmen
Sophomore
Juniors
Seniors
Total
Male
4
6
2
2
Female
3
4
6
3
Total
If a student is selected at random, find the
probability the student is a male given that it's
a senior. Round to the nearest whole percent.
[?]%

Below the twoway table is given for a class of students Freshmen Sophomore Juniors Seniors Total Male 4 6 2 2 Female 3 4 6 3 Total If a student is selected at r class=

Respuesta :

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Answer:

40%

Step-by-step explanation:

Probability that student is a male Given that it's a senior ::

Recall :

P(A | B) = (AnB) / B

Hence, we have ;

P(male | Senior) = number of (Male n Senior) / total Senoirs

From the table :

Total seniors = 2 + 3 = 5

Male n Seniors = 2

P(male | Senior) = 2 / 5 = 0.4 = 40%

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