(1 point) Find the following probabilities for the standard normal random variable ?z: (a) ?(−0.84≤?≤0.2)= (b) ?(−2.16≤?≤1.12)= (c) ?(?≤0.31)=...

(1 point) Find the following probabilities for the standard normal random variable ?z:

(a)  ?(−0.84≤?≤0.2)=

(b)  ?(−2.16≤?≤1.12)=

(c)  ?(?≤0.31)=

(d)  ?(?>−0.95)=

Solutions

Expert Solution

(a)  ?(−0.84≤?≤0.2)=0.3788

(b)  ?(−2.16≤?≤1.12)=0.8532

(c)  ?(?≤0.31)=0.6217

(d)  ?(?>−0.95)=0.8289

orchestra answered 1 year ago

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