The probability that a standard normal random variable is less than or equal to z, where z > 0, is given by the following formula in the image provided. Use the 2-point Gaussian Quadrature on a single interval to estimate Φ(2). Calculate the absolute error given that the true value is 0.9772.(Work this out by han

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A: Solution:  The formulae for the  z score is  z=Raw score -Mean stadnard deviation

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A: From given data we have : sample n=15 mean x=21.5% =0.215standard deviation s=0.0096 μ=21%=0.21

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A: We have given that:A=1,3,5,6,7B={1,5,7}

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