bcox32314
11.12.2020 •
Mathematics
1. An urn contains 15 balls identical in every way except color. There are 4 red balls, 5 green
balls, and 6 blue balls.
a) You draw 2 balls from the urn but replace the first before drawing the second. Find the
probability that the first ball is red and the second is green.
b)
Repeat part a, but do not replace the first ball before drawing the second.
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Ответ:
931/9 = 103.44
Step-by-step explanation:
9(x) = 931
x = 103.44