QUESTION IMAGE
Question
different types of advertising methods are being considered for a companys new product: a magazine ad (m), a television ad (t), a newspaper coupon (n), a radio ad (r), a coupon mailer (c), and a social media ad (s). the coupons are both good for a discount of ten dollars off the item. the dots in the venn diagram below show the various methods. an advertising specialist considers a method at random to review.
- let ( a ) be the event of selecting a method that gives a discount.
- let ( b ) be the event of selecting a printed method.
move the dots on the venn diagram to place the dots in the correct region.
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To solve this, we analyze each advertising method:
Step 1: Define Events
- Event \( A \): Method gives a discount. The coupon methods (newspaper coupon \( N \), coupon mailer \( C \)) give a discount.
- Event \( B \): Method is printed. Printed methods are magazine ad \( M \), newspaper coupon \( N \), coupon mailer \( C \) (since they are printed media).
Step 2: Classify Each Method
- Magazine ad (\( M \)): Not a discount (so not in \( A \)), printed (in \( B \)) → Region: Only \( B \).
- Television ad (\( T \)): Not a discount (not in \( A \)), not printed (not in \( B \)) → Region: Outside both \( A \) and \( B \).
- Newspaper coupon (\( N \)): Discount (in \( A \)), printed (in \( B \)) → Region: Intersection of \( A \) and \( B \) (\( A \cap B \)).
- Radio ad (\( R \)): Not a discount (not in \( A \)), not printed (not in \( B \)) → Region: Outside both \( A \) and \( B \).
- Coupon mailer (\( C \)): Discount (in \( A \)), printed (in \( B \)) → Region: Intersection of \( A \) and \( B \) (\( A \cap B \)).
- Social media ad (\( S \)): Not a discount (not in \( A \)), not printed (not in \( B \)) → Region: Outside both \( A \) and \( B \).
Step 3: Place Dots
- Only \( B \) (printed, no discount): Place \( M \) here.
- \( A \cap B \) (printed + discount): Place \( N \) and \( C \) here.
- Outside \( A \) and \( B \) (neither printed nor discount): Place \( T \), \( R \), \( S \) here.
So, the dots for \( M \) go in the "Only \( B \)" region, \( N \) and \( C \) go in the " \( A \cap B \)" region, and \( T \), \( R \), \( S \) go in the "Outside \( A \) and \( B \)" region.