Three coins are in a bag. the first coin flips heads with probability 50%, the second coin flips heads with probability 60%, and
1 answer:
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Answer:
x ≈ 14.87
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
x² = 10² + 11² = 100 + 121 = 221 ( take the square root of both sides )
x = ≈ 14.87 ( to the nearest hundredth )
Answer:28 green and 35 red
Step-by-step explanation:
Given
If there are r red counter and g green counter then
Probability of drawing a green counter is
and
Thus
Also if 4 red and 2 green counter is added the probability of drawing a green counter is
Substitute the value of g in equation (ii)[/tex]
Therefore
Thus there 28 green counter and 35 red counter