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Percent Probability problems

Probability with Percentages example question

A college survey shows that 10% of freshmen, 15% of sophomores, 60% of juniors, and 85% of seniors like Probability. Given that 30% of all students are freshmen, 30% are sophomores, 20% are juniors, and 20% are seniors, what percentage of all students in the college like Probability?

a)Ā  0.635

b)Ā  0.535

c)Ā  0.465

d)Ā  0.365

e)Ā  0.235

 

Solution to this Percent Probability practiceĀ problem is given in the video below!



 


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