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Find the value of z if the area under a standard normal curve (a) to the...

Find the value of z if the area under a standard normal curve (a) to the right of z is 0.3974; (b) to the left of z is 0.0918; (c) between 0 and z, with z > 0, is 0.4783; and (d) between -z and z, with z > 0, is 0.9412

also i think you need to use the standard normal distribution table.

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