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An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Indicate the formula for the following conditions: p^c(n,r)=