2021 June(D06) Math Question 24
Probability
- More than One Event
PTue=17P_{Tue}=\frac{1}{7} PTue=71
PJan=112P_{Jan}=\frac{1}{12} PJan=121
=>PTue+Jan=17×112=184=>P_{Tue+Jan}=\frac{1}{7}\times\frac{1}{12}=\frac{1}{84} =>PTue+Jan=71×121=841
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