Mathematics, 15.08.2021 14:00, barn01

in class of 80 student debre berhan university ,45 are good in mathematics,15 are good in both mathematics and in english,13 are good in both mathematics and psychology,16 are good in both english and psychology only,20 are good in psychology and 9 are good in both of three courses. how many students are good in mathematics only ? how many students are not good in any of three courses ?

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 16:30, jaidenlaine9261

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241. a) 0 b) 1 c) 2 d) 1 2

Answers: 1

continue

Mathematics, 21.06.2019 19:10, bleesedbeme

What is the total surface area of this square pyramid?

Answers: 2

continue

Mathematics, 21.06.2019 20:00, ayoismeisalex

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean and standard deviation according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Answers: 3

continue

Mathematics, 21.06.2019 21:30, michaelgg7166

Can someone explain to me how to do

Answers: 1

continue

Do you know the correct answer?

in class of 80 student debre berhan university ,45 are good in mathematics,15 are good in both mathe...