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A count of malaria parasites in 100 fields gave a mean of 35 parasites per field, standard deviation 11.6. On counting one more field the
A count of malaria parasites in 100 fields gave a mean of 35 parasites per field, standard deviation 11.6. On counting one more field the pathologist found 52 parasites.
a) Does this number lie outside the 95% reference range? What is the reference range?
b) What is the 95% confidence interval for the mean of the population from which this sample count of parasites was drawn?
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