Mathematics
Mathematics, 01.05.2021 15:30, estefanlionel8678

1. In a class, 30 offer Biology, 21 offer Chemistry and 22 offer Physics. 15 offer
Physics and Biology, 10 offer Physics
and Chemistry and 13 offer Biology and
Chemistry. 2 offer Physics only, 3 offer
Chemistry only and 7 offer Biology
only.
i) Illustrate this information in a Venn
diagram
ii) Find the number of students:
a) who offer all the three subjects.
b) in the class.
iii) If a student is selected at random,
what is the probability that he
studies either Physics or
Chemistry?​

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 14:30, bryce12351
An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.
Answers: 2
image
Mathematics, 21.06.2019 20:40, anaruiz00
What are the values of each variable in the diagram below?
Answers: 2
image
Mathematics, 21.06.2019 21:00, millie54
Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?
Answers: 2
image
Mathematics, 22.06.2019 00:30, bercishicicorbin
$5400 is? invested, part of it at 11? % and part of it at 8? %. for a certain? year, the total yield is ? $522.00. how much was invested at each? rate?
Answers: 1
Do you know the correct answer?
1. In a class, 30 offer Biology, 21 offer Chemistry and 22 offer Physics. 15 offer
Physics an...

Questions in other subjects: