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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
 2 years ago
 2 years 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
 2 years ago
 2 years 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
 2 years 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?
 2 years ago

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