A Random Sample of N₁=20 Individuals Results in X₁=8

question 94

Essay

A random sample of n₁=20 individuals results in x₁=8 successes. An independent sample of n₂=60 individuals results in x₂=18 successes. Does this represent sufficient evidence to conclude that $\mathrm { p } _ { 1 } \neq \mathrm { p } _ { 2 }$ at the $\alpha$
=0.05 level of significance?

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