7. Use the data in the accompanying table, which lists the numbers of correct an

Question

7. Use the data in the accompanying table, which lists the numbers of correct and wrong amounts with a concentration physicians. In a research experiment, one group physicians was given of bottles labeled with a ratio milliliter of in another was given were instructed to administer of a 1:1000 The two labels the exact amount, and the physicians milligrams of epineph The results were in the New York Times. Correct Dosage Wrong Dosage lation Calcul Calculation Concentration Label 11 (1 milligram in 1. milliliter solution) 12 Ratio Label (1 milliliter of a 1:1000 solution a. If one of the physicians is selected, what is the probability of getting one who calculated the dose correctly. randomly Is that probability as high as should

Explanation / Answer

a) total = 11+3+2+12 = 28

= (11+2)/28 = 13/28 , no ,it is not high as it should be

b) (3+12)/28 = 15/28

it is not as low it could be

c) required answer = (11+3 + 2)/28 = 16/28

d) required answer = (3+12+2)/28 = 17/28

e) required answer = 11/(11+2) *100% = 84.615

= 11/13

f)

required answer = 12/(12+3) *100% = 80%

= 4/5

g) yes , concentration did better as 84.615 % > 80 %

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