blackbird02
  • blackbird02
In a survey of 100 housewives on the brand of powder detergent they use, the following response were obtained: 60 housewives use brand ST, 50 housewives use brand RB, and 40 use brand E. while 30 use brand ST and RB, 25 use ST and E, 20 use RB and E, and 15 housewives use ST, RB and E. a. How many housewives did not give their opinion? b. How many used brand ST only? c. How many used brands RB and E but not ST? d. How many used brands ST and E but not RB?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
blackbird02
  • blackbird02
Are my answers correct? a. 10 b. 20 c. 5 d. 10
texaschic101
  • texaschic101
yes...you are correct :) .... not too good at drawing...lol |dw:1442674325763:dw|

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