This is a student-created question, thank you for contributing your context! A researcher seeks to determine the effectiveness of social media marketing towards younger generations by measuring the number of people who enter the club with a QR code from an online advertisement in proportion to the total number of people attending the event. Among 250 people at the event, 51% entered using the QR code. The researcher also recorded information on each attendee's age, occupation, weekly entertainment expenses, frequency of visiting the club, ticket type, preferred social media channel. Using the information above answer the following questions. 1. (1 mark) What is the "failure" rate? (2dp) (Hint: Enter your answer as a proportion, such as 0.01) 2. Indicate the type of each variable from the choices provided? (a). (1 mark) Weekly Entertainment expenses (AUD$) 0 (b). (1 mark) Age (Years) 0 0 (c). (1 mark) Occupation (Artist, Business analyst, Construction worker, Student, Freelancer, Other) (d). (1 mark) Preferred social media channel (Facebook, Instagram, Tiktok, Twitter) : 3. Indicate the most appropriate graph for summarising the variable(s). (a). (1 mark) Preferred social media channel (Facebook, lnstagram, Tiktok, Twitter) and Age (Years) : (b). (1 mark) Frequency of visiting the club (Rarely (three times per month)) and Age (Years) : (c). (1 mark) Age (Years) and Weekly Entertainment expenses (AUD$) 0 (d). (1 mark) Preferred social media channel (Facebook, Instagram, Tiktok, Twitter) 0