Question

Show your steps and clearly mark your answer(s) for full credit. Date 1. Use the Standard Normal table or a calculator to find the z-score zo that corresponds to the cumulative area or percentile. Sketch graph of normal distribution first. (using the standard normal table, Calculator or both). a. P(Z <Zo) = 0.33 b. P(Z<Zo) = 0.7995 Zo=_ ctut Zo=_.8 ZoIinvaomaf (0.33,0,) ZoENnam ConAs, 033 c. P(Z< Zo) 0.0045 d. P(Z> Zo) 0.025 Zo=-261 Zo-1-96 2oununomal (our e. P(Z> Zo) 0.8749 f. P(Z> Zo) 0.2810 Zo-1S Zo=-m eo-inunoimal ( A veterinarian records the weights of dogs treated at the clinic. The weights are norma

Answer 1

0.33 a PC Z <Zo) = 0.33 Use Excel Funcion MORMSI HV(0:33) P(Z < -0.44) = 0.33 20--0-214 07995 b. P(Z < Zo) = 0.7995 P(Z <0.04 ) = 0.7995 2:0.89 c. P(Z <zo) = 0.0045 P(Z <-2.61) = 0.0045 0.0045 Zo=2.61 0.975 d. P ( 27 Zo) = 0.025 P(Z <2o) =1-0.025 P C2220) = 0.975 P(Z <1096) = 0.975 20 = 1.96

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