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Consider the standard normal curve, where μ=0 and σ=1. Find the value z so that 90%...

Consider the standard normal curve, where μ=0 and σ=1.

Find the value z so that 90% of the area under the curve is between −z and z.Give your answer to 4 decimal places.

*preferably with step by step instruction

Math   Statistics-And-Probability   
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