Maddi1144
14.07.2019 •
Mathematics
Given a mean of 7.6 and a standard deviation of 3.1, what is the z-score of the value 5 rounded to the nearest tenth? a: -0.8 b: -0.3 c: 0.8 d: 0.3
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Ответ:
Given mean μ = 7.6 and standard deviation σ =3.1
The z score value for x= 5 is given by
Z =
Z =
Z = -0.8387
The Z- score value rounded to nearest tenth is -0.8
The correct answer choice is A. -0.8
Ответ:
25
Step-by-step explanation: