Suppose a simple random sample of size n = 1000 is obtained from a population whose size is N=2,000,000 and whose population proportion with a specified characteristic is p= 0.22. Complete parts (a) through (c) below. (a) Describe the sampling distribution of p O A. Approximately normal, ua =0.22 and o 0.0131 O B. Approximately normal, H =0.22 and o s 0.0003 OC. Approximately normal, u. =0.22 and o. 0.0002 (b) What is the probability of obtaining x= 250 or more individuals with the characteristic? P(x2 250) = (Round to four decimal places as needed.) (c) What is the probability of obtaining x= 180 or fewer individuals with the characteristic? P(xs 180) = (Round to four decimal places as needed.)
Suppose a simple random sample of size n = 1000 is obtained from a population whose size is N=2,000,000 and whose population proportion with a specified characteristic is p= 0.22. Complete parts (a) through (c) below. (a) Describe the sampling distribution of p O A. Approximately normal, ua =0.22 and o 0.0131 O B. Approximately normal, H =0.22 and o s 0.0003 OC. Approximately normal, u. =0.22 and o. 0.0002 (b) What is the probability of obtaining x= 250 or more individuals with the characteristic? P(x2 250) = (Round to four decimal places as needed.) (c) What is the probability of obtaining x= 180 or fewer individuals with the characteristic? P(xs 180) = (Round to four decimal places as needed.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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B and c

Transcribed Image Text:Suppose a simple random sample of size n= 1000 is obtained from a population whose size is N= 2,000,000 and whose population proportion with a specified characteristic is p=0.22. Complete parts (a) through
(c) below.
...
OGY AC
s0204 bea
(a) Describe the sampling distribution of p.
O A. Approximately normal, µa = 0.22 and o. 0.0131
B. Approximately normal, µa = 0.22 and o s 0.0003
O C. Approximately normal, H =0.22 and oa0.0002
(b) What is the probability of obtaining x = 250 or more individuals with the characteristic?
P(x2 250) =
(Round to four decimal places as needed.)
%3D
(c) What is the probability of obtaining x = 180 or fewer individuals with the characteristic?
P(xs 180) = (Round to four decimal places as needed.)
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