The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 255.4 and a standard deviation of 63.9. (All units are 1000 cells/μl.) Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of women with platelet counts within 2 standard deviations of the mean, or between 127.6 and 383.22 b. What is the approximate percentage of women with platelet counts between 191.5 and 319.37 ECCOD a. Approximately % of women in this group have platelet counts within 2 standard deviations of the mean, or between 127.6 and 383.2. (Type an integer or a decimal. Do not round.) b. Approximately % of women in this group have platelet counts between 191.5 and 319.3. (Type an integer or a decimal. Do not round)
The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 255.4 and a standard deviation of 63.9. (All units are 1000 cells/μl.) Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of women with platelet counts within 2 standard deviations of the mean, or between 127.6 and 383.22 b. What is the approximate percentage of women with platelet counts between 191.5 and 319.37 ECCOD a. Approximately % of women in this group have platelet counts within 2 standard deviations of the mean, or between 127.6 and 383.2. (Type an integer or a decimal. Do not round.) b. Approximately % of women in this group have platelet counts between 191.5 and 319.3. (Type an integer or a decimal. Do not round)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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Chapter10: Statistics
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Problem 22SGR
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Transcribed Image Text:The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 255.4 and a standard deviation of 63.9. (All units are 1000 cells/μl.) Using the empirical rule, find each approximate
percentage below.
a. What is the approximate percentage of women with platelet counts within 2 standard deviations of the mean, or between 127.6 and 383.2?
b. What is the approximate percentage of women with platelet counts between 191.5 and 319.37
a. Approximately % of women in this group have platelet counts within 2 standard deviations of the mean, or between 127.6 and 383.2
(Type an integer or a decimal. Do not round.)
b. Approximately % of women in this group have platelet counts between 191 5 and 319.3
(Type an integer or a decimal. Do not round.)
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