The probability will:
a) Increase.
b) decrease.
c) increase.
We know that as larger is the size (or the diameter at least) of the hole, the easier will be to lading the skee ball on that hole.
So "If the size of the 40-point hole is enlarged, the probability... "
If you increase the size, then it will be easier to land the ball, thus we can conclude that the probability will increase.
" If the 40-point hole is made smaller, the probability..."
Opposite as the case above, this time will be harder to land the ball, thus the probability will decrease.
"If the 40-point hole stays the same size, but the scoring zone is made smaller, the probability..."
If the ball is thrown in a random way, such that the probability of landing in any region of the scoring zone is the same, then the probability of landing on the 40-point hole is equal to the quotient between the area of the hole and the total area of the scoring zone.
Thus, is you decrease the area of the scoring zone, then the probability increases.
If you want to learn more about probability.
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