E Test: POST UNIT 5 - TEST - Ch. 8

Test: POST UNIT 5 - TEST - Ch. 8 Question 12 of 14 This test: 14 point(s) possible This question: 1 point(s) possible Submit test Suppose a simple random sample of size n = 1000 is obtained from a population whose size is N = 1 and whose population proportion with a specified characteristic is p = 0.45. Complete parts (a) through (c) below. (a) Describe the sampling distribution of p. o A. o B. o C. Approximately normal, p Approximately normal, p Approximately normal, p = 0.45 and z 0.0002 = 0.45 and z 0.0157 = 0.45 and Z O.0004 (b) What is the probability of obtaining x = 480 or more individuals with the characteristic? 2 480) = (Round to four decimal places as needed.) (c) What is the probability of obtaining x = 430 or fewer individuals with the characteristic? s 430) = (Round to four decimal places as needed.)