kaileyy06
03.03.2020 •
Mathematics
Solve using normalcdf
Solved
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Ответ:
0.209
Step-by-step explanation:
Find the sample mean and standard deviation.
μ = 1050
s = 218 / √50 = 30.8
Find the z-score.
z = (1075 − 1050) / 30.8
z = 0.81
Find the probability.
P(Z > 0.81) = 1 − 0.7910 = 0.2090
Ответ:
he sold 4 boxes of cookies and 3 chocolate bars
Step-by-step explanation:
5+5+5+5 = 20 3+3+3 = 9 so add 20+9 = 29