Answer Questions 1 & 2

Mlilhi:l n nwr h in. Use this scenario for questions 1 and 2: In 1974a surveyaskedrandomb/selected US adults lfthey considered themselves to be 'happy\". 210 of 300 surveyed said yes, they were happy. The same survey was repeated in 2014, forty years later. In 2014, 464 of 6 00 surveyed said they were happy. Assume large counts condition is met. 1. For the situation above, pc is equal to 2. If, for the situation above, the 1974 results are p1 and the 2014 results are p2 , Q then the best estimate of p1 p2 is: (a) 300 674, (a) standardized by a new z-value 60 (b) o.0733 254 (C) % (c) 0.0733 ((1) 1.233 (d) 900 Circle one: A B C D Circle one