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Find the proportion of observations such that -1.66 < z < 2.85. (Enter your answer rounded to four decimal places.)

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Answer:

Given to find:

the proportion of observations such that -1.66 < z < 2.85

we get that,


P(-1.66Solving we get,[tex]P(-1.66From the normal distribution table,[tex]=0.9978-0.0485=0.9493

Answer is : P(-1.66 < z < 2.85)=0.9493

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