Epina9489 Epina9489

18-05-2022
Mathematics

contestada

Find the mean given normal curve

Find the mean given normal curve class=

Respuesta :

eseelearning eseelearning

18-05-2022

Answer:

66

Step-by-step explanation:

84 = mean + 3sd

60 = mean - sd

sd = mean - 60

84 = mean + 3(mean - 60)

84 = mean + 3mean - 180

264 = 4mean

mean = 66

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