Concept explainers
a. Sketch the distributions of X and
b.
c. P(x < 60) ___ .
d. Find the 30th percentile for the mean.
e. P(56< x < 62)= .
f. P(18< x < 58)=
h. Find the minimum value for the upper
i. P (1,400 < ∑ x: 1,550) = _____.
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Chapter 7 Solutions
Introductory Statistics
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