with a mean of 264 2 and a standard deviation of 64 2 (All units are 1000 a What
ID: 3320180 • Letter: W
Question
with a mean of 264 2 and a standard deviation of 64 2 (All units are 1000 a What is the approximate percentage of women with platelet counts within 2 standard deviations of the mean, or beteeen 135 8 and 392 6? b. What is the approximate percentage of women with platelet counts between 71.6 and 456 8 .Awraamately%ofwomen ntis goup have platelet count, witin 2 standard deviations ofthe mean. or between 1358and 3926 (Type an integer or a decimal Do not round) b, Approximately%ofwamen in tis group have platelet courts beteeen 71 6 and 456 8 (Type an integer or a decimal Do not round)Explanation / Answer
as weknow that 95% values are between 2 std deviation from mean
a)approximately 95% value..........(95.45% is exact)
b) 99.7% ......................................(99.73% is exact)
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