One:

: _ . This test: 14 point(s) possible . _ Test. POST UNIT 5 - TEST - Ch. 8 Question 8 of 14 This question: 1 point(s) possible ('33 Submit test To assess attitudes towards issues that aeci the residents of a village, the village randomly chose 800 families to participate in a survey of life attitudes The village received 628 completed surveys. What is the sample proportion of completed surveys? O A. 1.274 O 3. 0.886 O C. 0.628 O D. 0.785 A national caterer determined that 87% of the people who sampled their food said that it was delicious, A random sample of 144 people is obtained from a population of 5000. The 144 people are asked to sample the caterer's food. If 3 is the sample proportion saying that the food is delicious, what is the mean of the sampling distribution of p? O A. 125 O 3. 0,42 0 c. 0.19 O D. 0.87 According to a study conducted in one city, 32% of adults in the city have credit card debts of more than $2000. A simple random sample of n = 200 adults is obtained from the city, Describe the sampling distribution 016, the sample proportion of adults who have credit card debts of more than $2000. Round to three decimal places when necessary. O A. Binomial; pp =64, up =6.597 O 3. Approximately normal; up = 032, up = 0,033 O C. Exactly normal: up = 0.32, up = 0,033 O D. Approximately normal; pp =0.32. 6p =0.001