Problema Solution
. An electronics store surveyed every 11th customer who came into the store for a week.
Of the 375 people who responded,
181 people watched movies on VHS tapes.
245 people watched movies on DVDs.
66 people watched movies both on VHS tapes and DVDs.
Create a Venn diagram to reflect the above data, label your diagram clearly and submit to the Dropbox. Use your diagram to answer the following questions here.
i. Of those surveyed, how many watched only VHS tapes?
ii. Of those 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?
(Points : 5)
Answer provided by our tutors
An electronics store surveyed every 11th customer who came onto the
store for a week. Of the 375 people who responded, 181 people watched
movies on VHS tapes 245 people watched movies on DVDs. 66 people
watched movies both on VHS tapes and DVDs. Create a Venn diagram to
reflect the above data, label your diagram clearly and submit Use your
diagram to answer the following questions here. i. Of those surveyed,
how many watched only VHS tape
See Venn diagram below. There are 181 in VHS, and 66 in VHS and DVD,
so 181 - 66 = 115 only watch VHS.