kprincess16r
31.01.2021 •
Mathematics
If you flip two coins simultaneously, what's the probability you'll have to flip
them four times before the first occurrence of two heads?
A. .25
B. .188
C. .683
D. .14
E. .11
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Ответ:
About 630 seventh-grade students would like to snorkel.
Step-by-step explanation:
Since you got 7 out of 9, we need to divide 810 by 9.
810 / 9 = 90
Now, we have to multiply 90 by 7.
90 x 7 = 630.
About 630 seventh-grade students would like to snorkel.