An electronics store surveyed every 9th customer who came into the store for a week.?

Marsha Masha

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An electronics store surveyed every 9th customer who came into the store for a week.
Of the 185 people who responded,

76 people watched movies on VHS tapes.
126 people watched movies on DVDs.
23 people watched movies both on VHS tapes and DVDs.
 
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