Mathematics, 19.01.2020 22:31 609589

On dec 18th there is a 75% chance that santa will come to the mall that day and a 55% chance that your best fri d will be at the mall. there is a 40% chance that your best friend and santa will be at the mall. what is the probability that santa will come to the mall or your best friend will be there?
a. 90%
b.85%
c.70%
d.75%

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