# SOLUTION: Frequency Table showing distribution of Exam scores Exam scores # of students 90 & over 5 80-89 12 70-79

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 Question 61258: Frequency Table showing distribution of Exam scores Exam scores # of students 90 & over 5 80-89 12 70-79 40 60-69 18 50-59 13 40-49 6 30-39 6 What is the probability that a student picked at random will have a scor of at least 90? a score less than 90? a score of at least 60? and a score of more than 39 and less than 60? Tried several different equations with this and it just looked crazy;P(<90)= .12 is this correct?Answer by funmath(2925)   (Show Source): You can put this solution on YOUR website!Frequency Table showing distribution of Exam scores Exam scores # of students 90 & over 5 80-89 12 70-79 40 60-69 18 50-59 13 40-49 6 30-39 6 What is the probability that a student picked at random will have a score of at least 90? a score less than 90? a score of at least 60? and a score of more than 39 and less than 60? There are a total of 5+12+40+18+13+6+6=100 students P of at least 90 is 5/100=.05 P of less than 90 is (12+40+18+13+6+6)/100=.95 P of at least 60 is (5+12+40+18)/100=.75 P of more than 39 and less than 60 is (13+6+)/100=.19 : Happy Calculating!!!