Answer :
The odds for the ball landing in a black slots is 0.473684 or 47.4
The odds against the ball landing in a black slot is 0.52631 or 52.6
Solution:
1.The ball landing in a black slot:
Landing in a black slots [tex]=\frac{Black \ balls}{Total\ slots}[/tex]
Landing in a black slots [tex]=\frac{18}{38}[/tex]
Landing in a black slots = 0.4736 or 47.4
2. The ball not landing in a black slot
To calculate the odds of not landing in black slots we have deduct the black balls from the the total slots.
Remaining balls = 20
Not Landing in a black slots [tex]=\frac{Red \ and \ Green \ balls}{Total\ slots}[/tex]
Not Landing in a black slots [tex]=\frac{20}{38}[/tex]
Not Landing in a black slots = 0.5263 or 52.6
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