Mathematics, 28.04.2021 18:30, 00015746
There are 90 students in a lunch period, and 5 of them will be selected at random for cleaning duty every
week. Each student receives a number 01-90 and the school uses a random digit table to select a simple
random sample of 5 students.
Which 5 students should be assigned cleaning duty?
06915 72954 10167 12142 26492
Answers: 2
Mathematics, 21.06.2019 18:40, miguel3maroghi
Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.
Answers: 3
Mathematics, 21.06.2019 20:00, Kalle91106
Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a
Answers: 1
There are 90 students in a lunch period, and 5 of them will be selected at random for cleaning duty...
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