Question
The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 259.8 and a standard deviation of 68.1. (All
The blood platelet counts of a group of women have a bell-shaped distribution with a mean of
259.8
and a standard deviation of
68.1.
(All units are 1000
cells/L.)
Using the empirical rule, find each approximate percentage below.
a. | What is the approximate percentage of women with platelet counts within 3 standard deviations of the mean, or between 55.5 and 464.1? |
b. | What is the approximate percentage of women with platelet counts between 191.7 and 327.9? |
Question content area bottom
Part 1
a. Approximately
enter your response here%
of women in this group have platelet counts within
3
standard
deviations
of the mean, or between
55.5
and
464.1.
(Type an integer or a decimal. Do not round.)
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