Question 473577: An electronics store surveyed every 13th customer who came into the store for a week. Of the 180 people who responded.
74 people watched movies on VHS tapes.
123 people watched movies on DVDs
27 people watched movies both on VHS tapes and DVDs.
i. Of these surveyed, how many watched only VHS tapes?
ii. Of these surveyed, how many watched only DVDs?
iii. Of those surveyed, how many watched VHS tapes or DVDs, but not both?
iv. Of those surveyed, how many watched VHS tapes or DVDs, or both?
Create a VENN DIAGRAM to reflect the above data, label the diagram clearly. Use the diagram to answer the questions.
Answer by ewatrrr(24785)   (Show Source):
You can put this solution on YOUR website!
Hi,
180 people
74 people watched movies on VHS tapes (Event A)
123 people watched movies on DVDs (Event B)
27 people watched movies both on VHS tapes and DVDs
i. Of these surveyed, how many watched only VHS tapes? 47
ii. Of these surveyed, how many watched only DVDs? 96
iii. Of those surveyed, how many watched VHS tapes or DVDs, but not both? 143
iv. Of those surveyed, how many watched VHS tapes or DVDs, or both? 170
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