If a̅ and b̅ are vectors such that |a̅| = 2, |b̅| = 7 and a̅ × b̅ = 3î + 2ĵ + 6k̂, then what is the acute angle between a̅ and b̅?

Two dice each numbered from 1 to 6 are thrown together. Let A and B…

An urn contains one black ball and one green ball. A second urn contains one…

What is the most probable number of successes in 10 trials with probability of success…

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