? asked in Science & MathematicsMathematics · 8 years ago

Find the given probabilities?

P(-2.62 < z < 1.62) =

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  • 8 years ago
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    P( - 2.62 < z < + 1.62)

    = 0.4956 ( area corresponding to z = 2.62) + 0.4474 (area corresonding to z = 1.62)

    = 0.9430 or 94.3%

    The areas are added because the first z value (-ve) lies on the left side of mean and the second z value (+ve) lies on the right side of mean.

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