Exam Practice for Homework 5 x Est. Length: 2:00:00 Joe Galaviz: Attempt 1 Pa e 1: g 0 5) Estimate of proportion: 0.305, Standard error: 0.0167. 1 2 3 Question 3 (1 point) Saved 4 5 6 A sample proportion is calculated from a sample size of 192. How large of a sample would we need in order to decrease the standard error by a factor of 3? 7 8 9 O 1) 333 10 11 O 2) 1,728 O 3) 5,952 O 4) 3,264 O 5) 576 Question 4 (1 point) Saved Suppose Siri (an Apple digital assistant) is known to answer general facts correctly approximately 23.42% of the time. If a consumer asked Siri 151 questions about general facts, what is the probability that greater than 26.03% of them would be correct? O 1) -7.6897 0 2) 0.2244 O 3) 0.5000