Determine the value of z* such that it satisfies the conditions below. (Assume that the requested value of z* is positive. Round your answers to two decimal places.)
(a) −z* and z* separate the middle 95% of all
z values from the most extreme 5%.
z* =
(b) −z* and z* separate the middle 92% of all
z values from the most extreme 8%.
z* =
(c) −z* and z* separate the middle 97.8% of all
z values from the most extreme 2.2%.
z* =
(d) −z* and z* separate the middle 93% of all
z values from the most extreme 7%.
z* =
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