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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2508
Given Kudos: 1053
GPA: 3.39
A certain manufacturer of cake, muffin, and bread mixes has 100 buyers
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13 Feb 2023, 09:18
13 Feb 2023, 09:18
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Question Stats:
66% (02:17) correct
33% (01:05) wrong based on 9 sessions
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A certain manufacturer of cake, muffin, and bread mixes has 100 buyers, of whom 50 purchase cake mix, 40 purchase muffin mix, and 20 purchase both cake mix and muffin mix. If a buyer is to be selected at random from the 100 buyers, what is the probability that the buyer selected will be one who purchases neither cake mix nor muffin mix?
A. 1/10
B. 3/10
C. 1/2
D. 7/10
E. 9/10
A. 1/10
B. 3/10
C. 1/2
D. 7/10
E. 9/10
Re: A certain manufacturer of cake, muffin, and bread mixes has 100 buyers
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14 Feb 2023, 07:46
14 Feb 2023, 07:46
2
Expert Reply
A certain manufacturer of cake, muffin, and bread mixes has 100 buyers, of whom 50 purchase cake mix, 40 purchase muffin mix, and 20 purchase both cake mix and muffin mix. If a buyer is to be selected at random from the 100 buyers, what is the probability that the buyer selected will be one who purchases neither cake mix nor muffin mix?
A. 1/10
B. 3/10
C. 1/2
D. 7/10
E. 9/10
Total = {cake} + {muffin} - {both} + {neither}
100 = 50 + 40 - 20 + {neither} --> {neither} = 30 --> \(\frac{neither}{total}=\frac{30}{100}=\frac{3}{10}\).
Answer: B.
Hope it helps.
A. 1/10
B. 3/10
C. 1/2
D. 7/10
E. 9/10
Total = {cake} + {muffin} - {both} + {neither}
100 = 50 + 40 - 20 + {neither} --> {neither} = 30 --> \(\frac{neither}{total}=\frac{30}{100}=\frac{3}{10}\).
Answer: B.
Hope it helps.
gmatclubot
Re: A certain manufacturer of cake, muffin, and bread mixes has 100 buyers [#permalink]
14 Feb 2023, 07:46
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