Mathematics
Mathematics, 31.01.2020 21:55, doris8051

In a city school, 60% of students have blue eyes, 55% have dark hair, and 35% have blue eyes and dark hair. what is the probability (rounded to the nearest whole percent) that a randomly selected student will have dark hair, given that the student has blue eyes?

hint:
p(a|b)=p(a∩b) / p(b)

64%

58%

80%

20%

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:50, paula1172
Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.
Answers: 2
image
Mathematics, 21.06.2019 15:40, rhiannonwheatcr4468
36 inches/second = yards/minute how many yards?
Answers: 1
image
Mathematics, 21.06.2019 16:30, milkshakegrande101
Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?
Answers: 1
image
Mathematics, 21.06.2019 23:40, jennyferluna0216
Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.
Answers: 1
Do you know the correct answer?
In a city school, 60% of students have blue eyes, 55% have dark hair, and 35% have blue eyes and dar...

Questions in other subjects: