FireBlits8950
12.12.2020 •
Mathematics
Which of the following set of ordered pair is a function? A {(9,0), (9, 1), (9,2), (9,3)} B [(-1,0), (-2, 0), (2,0), (1,0)} C {(-2,0), (3, 1), (3,2), (1,3)} D {(9,5), (9,5), (9,5), (9,5)}
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Ответ:
The reason why is because for it to be a function none of the x’s can repeat.
None of the x’s in choice be repeat.
Ответ:
9/10
30%
Step-by-step explanation:
Only in trial number 4, there is just one correct answer. In all other 9 trials at least 2 answers were correct. So the probability is 9 out of 10 trials give a winning outcome, in short, 9/10.
Giving birth to three males first, is true in 3 out of 10 trials. You can count the total numbers of Y's in the last column.
So 3/10 which is 0.3 which is the same as 30%.