2. According to a survey taken by an agency in a rural area, it has been observed that 75% of population treats diseases through self-medication without consulting a physician. Among the 12 residents surveyed on a particular day, find the probability that, (a) At least two of them treat diseases through self-medication without consulting a physician. (b) Exactly 10 of them consults physician before taking medication. (c) None of them consults physician before taking medication. (d) Less than 10 residents consult physician before taking medication. (e) All of them treat diseases through self-medication without consulting a physician.
2. According to a survey taken by an agency in a rural area, it has been observed that 75% of population treats diseases through self-medication without consulting a physician. Among the 12 residents surveyed on a particular day, find the probability that, (a) At least two of them treat diseases through self-medication without consulting a physician. (b) Exactly 10 of them consults physician before taking medication. (c) None of them consults physician before taking medication. (d) Less than 10 residents consult physician before taking medication. (e) All of them treat diseases through self-medication without consulting a physician.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Follow-up Question
I can see that you are changing the value of p and q depending on the question , is it ok to change them based on the question even though they are at the end from the same question just a different branch
in a. P was 0.75
in d . P was 0.25
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Follow-up Question
Sorry but, I am confused to why you subtract p( x= 0 ) - p(x=1)
why not add them and then subtract them from one like this:
1- p( p(x=0) + p(x=1))
? Can you elaborate
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Follow-up Question
Why did you say p = 1-0.75 rather than p =0.75?
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Follow-up Question
Is this right? I didn't understand your solution in a can elaborate
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