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shaqadry
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If the systolic blood pressure for a certain group of obesepeople has a mean of 132 and a standard deviation of 8, find theprobability that a randomly selected obese person will have theseblood pressures. Assume the variable is normally distibuted.
A. Above 130
B. Below 140
C. Between 131 and 136
 one year ago
 one year ago
shaqadry Group Title
If the systolic blood pressure for a certain group of obesepeople has a mean of 132 and a standard deviation of 8, find theprobability that a randomly selected obese person will have theseblood pressures. Assume the variable is normally distibuted. A. Above 130 B. Below 140 C. Between 131 and 136
 one year ago
 one year ago

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phi Group TitleBest ResponseYou've already chosen the best response.0
you need to change the values in A , B and C to standard deviations from the mean, and then use a Z table
 one year ago

shaqadry Group TitleBest ResponseYou've already chosen the best response.0
i know but i couldnt find the answer for A. the correct answer for A is 0.5987. i got 0.6368. where did i go wrong?
 one year ago

phi Group TitleBest ResponseYou've already chosen the best response.0
how many std dev is 130 from 132?
 one year ago

shaqadry Group TitleBest ResponseYou've already chosen the best response.0
oh its okay i got the answer. thanks anyway for trying to help!
 one year ago

phi Group TitleBest ResponseYou've already chosen the best response.0
it looks like you used 0.35 rather than 0.25 for the std dev for A
 one year ago
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