1, if P(-zZz)= 0.6876 2. Find P (-1.72 Z-0.

1, if P(-z<Z<z)= 0.6876

2. Find P (-1.72 < Z<-0.98)

(Question 1)Find z such that P (−z &lt; Z &lt; z) = 0.68760.6876 µ=0 0.8438 σ=1 0.1562 z Z −z0P (−z &lt; Z &lt; z) = 0.6876⇒ P (Z &lt; −z or Z &gt; z) = 1 − 0.6876⇒ P (Z &lt;…

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