dondre54
08.10.2020 •
Mathematics
Hat is he probability of pick 1 green marble from a bag with 7 green and 8 blue marbles
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Ответ:
7/15
Step-by-step explanation:
No. of green marbles in the bag= 7
No. of blue marbles in the bag= 8
Total no. of marbles in the bag= 7+8=15
As we know that,
Probability( of a random event A)=
Hence in this case,
Favourable np. of elementary events (green marbles)=7
Total no. of elementary events (Total no. of marbles in the bag)= 15
Hence, Probability of picking a green marble from the bag=
Ответ:
a
Step-by-step explanation: