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Debora [2.8K]
3 years ago
14

Below, the two-way table is given for a class of students. Juniors Seniors Free Freshmen Sophomore 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 junior given that it's male. Round to the nearest whole percent.​
Mathematics
2 answers:
77julia77 [94]3 years ago
5 0

Answer:

Pr = 7\%

Step-by-step explanation:

Given

See attachment for graph

Required

Find P(Junior|Male)

To do this, we first calculate the total students.

Total = 4 + 6 + 2 + 2 + 3 + 4 + 6 + 3

Total = 30

Next, select the value in the cell that intersects Male and Junior

Male\ and\ Junior = 2

Hence, the probability is

Pr = \frac{Male\ and\ Junior}{Total}

Pr = \frac{2}{30}

Pr = 0.067

Express as percentage

Pr = 0.067*100\%

Pr = 6.7\%

Approximate

Pr = 7\%

lianna [129]3 years ago
4 0

Answer:

14%

Step-by-step explanation:

2(junior males) out of 14 (the total of males) is 14.29%, which is rounded to a whole percent of 14%. Hope this helps!

p.s. (I was on the same problem on acellus and figured it out. It took forever though)

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