Asked Oct 29, 2019

Find k such that P(-k < Z < k) = .6970 

it might help to sketch the situation 


Expert Answer

Step 1

To value of k can be determine as:



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P(-k<Z<k) 0.697 P(Z<1.03)-P(Z <-1.03) = 0.8485-0.1515 =0.679 P(-1.03 Z <1.03) 0.697


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