Question 964912
a) Assuming this is the entire sample space, the probabilities don't sum to 1, which they must.
{{{0.19+0.38+0.29+0.15=1.01}}}
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b) Rain and not rain are the only two possibilities. Their probabilities must sum to 1.
{{{0.40+0.52=0.92}}}
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c) Negative probabilities are not allowed.
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d) Hearts are red. So the possibility of drawing a heart and black card must be zero, assuming a standard deck.