alleryStart learning →Which word in a probability question signals that the product rule applies?
AThe word or
BThe word and
CThe word not
DThe word either
Answer & Solution
Correct answer: B. The word and
1. The product rule combines two independent events that both happen.
2. The word and is the signal to apply the product rule.
3. The word or points instead to the sum rule for mutually exclusive outcomes.
4. Not and either are not used as signals in these rules.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 12 "Mendel's Experiments and Heredity", section 12.1 Mendel's Experiments and the Laws of Probability_
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