Hi

i. Of those surveyed, how many watched only VHS tapes? 162-59 =103

ii. Of those surveyed, how many watched only DVDs? 251-59 = 192

iii. Of those surveyed, how many watched VHS tapes or DVDs, but not both? 295

iv. Of those surveyed, how many watched VHS tapes or DVDs, or both? 

295 + 59 = 354      (Note: 365 - 354 = 11, watched neither)

            

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