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| revprev | Admin | Jun 21'24 at 0:40 | +99 | ||
| revcur | Admin | (Created page with "John and Mary are taking a mathematics course. The course has only three grades: A, B, and C. The probability that John gets a B is .3. The probability that Mary gets a B is .4. The probability that neither gets an A but at least one gets a B is .1. What is the probability that at least one gets a B but neither gets a C? '''References''' {{cite web |url=https://math.dartmouth.edu/~prob/prob/prob.pdf |title=Grinstead and Snell’s Introduction to Probability |last=...") | Jun 20'24 at 2:12 | +534 |