Question

If a data set is bell-shaped, with mean 10 and SD 4, what proportion of standardized...

If a data set is bell-shaped, with mean 10 and SD 4, what proportion of standardized measurements are less than -2.5?

a. 0.01

b. 0.02

c. 0.025

d. 0.05

e. 0.5

f. Not enough information given

0 0
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