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9. Given that z is a standard normal random variable, find z for each situation. Draw a diagram for each question. The area to the

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9. Given that z is a standard normal random variable, find z for each situation. Draw a diagram for each question. The area to the left of z is .2119. The area between -z and z is .9030. c) The area between -z and z is .2052 d) The area to the left of z is .9948. (e) The area to the right of z is .6915

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