SOLUTION: A national survey of graduate students is conducted to assess their consumption of coffee per day males- 145 do not drink coffee, 94 drink decaffeinated only, 365 drink caffeinat

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Question 910761: A national survey of graduate students is conducted to assess their consumption of coffee per day
males- 145 do not drink coffee, 94 drink decaffeinated only, 365 drink caffeinated coffee
females- 80 do not drink coffee, 121 drink decaffeinated only, 430 drink caffeinated coffee.
a.What proportion of students drink decaffeinated coffee only?
b. What proportion of coffee drinkers (caffeinated and decaffeinated) are female?
c. What proportion of female do not drink coffee?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

HIGHLY recommend a Chart with Totals

	none	decaf	regular	T

M	146	94	365	605

F	8	121	430	559

T	154	215	795	1164

a) 215/1164

b) (559-8)/(215+795)

c) 8/559

Wish You the Best in Your Studies.