The urn contains 5 white and 4 black balls. one ball is taken out for good luck. Find the probability that it is white.
| December 9, 2020 | education
Formula:
P = favorable outcomes (m) / number of outcomes (n)
m- we know. 5 white balls.
n- 5 + 4 = 9
Substitute in the formula and get:
P = 5/9 = 0.55
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