tydukes10
10.05.2021 •
Mathematics
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
Choose 1
A
06, 57, 29, 54, 10
06, 91, 57, 29, 54
с
69, 15, 72, 41, 16
D
69, 15, 72, 95, 41
Solved
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Ответ:
x = 3/8
Step-by-step explanation:
Equation:
multiply both sides by 5/2 the reciprocal of 2/5
since 5/2 is the reciprocal of 2/5 they cancel out
x = 15/40
x = 3/8