Answer to Question #323770 in Statistics and Probability for Jjj

Statistics and Probability

Question #323770

b. How long will a call be responded if it has a z-score of – 1.83?

Expert's answer

z = -1.83 , μ = 30min, δ =4.5min,

x = zδ +μx = -1.83(4.5) + 30min =-8.325 +30 = 21.675min

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