![713073](/avatars/32123.jpg)
713073
28.09.2020 •
Mathematics
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Diane and Curtis surveyed 8 of their friends to find the average number of minutes spent on math homework, per day. They recorded
the results of their survey in a list.
80, 75, 30, 70, 40, 55, 90, 20
What is the mean absolute deviation of this data set?
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Ответ:
21.25
Step-by-step explanation:
took the test
Ответ:
Probability = 0.2
Step-by-step explanation:
Total marbles 9
Choosing 2 red =![4C_2](/tpl/images/2397/8181/de175.png)
Choosing 2 marbles from 9 marbles =![9C_2](/tpl/images/2397/8181/9be64.png)
Probability of choosing 2 red marbles from 9 marbles