Suppose a simple random sample of size n=1000 is obtained from a population whose size is N=1,500,000 and whose population proportion with a specified characteristic is p=0.24 (a) Describe the sampling distribution of p.     A. Approximately​ normal, μp=0.24 and σp≈0.0003   B. Approximately​ normal, μp=0.24 and σp≈0.0135   C. Approximately​ normal, μp=0.24 and σp≈0.0002   Part 2 ​(b) What is the probability of obtaining x=260 or more individuals with the​ characteristic?   ​P(x≥260​)=enter your response here ​(Round to four decimal places as​ needed.)   Part 3 ​(c) What is the probability of obtaining x=210 or fewer individuals with the​ characteristic?   ​P(x≤210​)=enter your response here

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
Problem 40CR
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Suppose a simple random sample of size n=1000 is obtained from a population whose size is N=1,500,000 and whose population proportion with a specified characteristic is p=0.24

(a) Describe the sampling distribution of
p.
 
 
A.
Approximately​ normal,
μp=0.24
and
σp≈0.0003
 
B.
Approximately​ normal,
μp=0.24
and
σp≈0.0135
 
C.
Approximately​ normal,
μp=0.24
and
σp≈0.0002
 
Part 2
​(b) What is the probability of obtaining
x=260
or more individuals with the​ characteristic?
 
​P(x≥260​)=enter your response here
​(Round to four decimal places as​ needed.)
 
Part 3
​(c) What is the probability of obtaining
x=210
or fewer individuals with the​ characteristic?
 
​P(x≤210​)=enter your response here
​(Round to four decimal places as​ needed.) 

 

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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,