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In an opinion poll, 25% of a random sample of 200 people said that they were strongly opposed to having a state lottery.  The standard error of the sample proportion is approximately

A. 0.03

B. 0.25

C. 0.0094

D. 6.12

 

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PoksLv6
29 Mar 2021
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Related textbook solutions

Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

Related questions

A simple random sample of 400 individuals provides 100 Yes responses.
 
a. What is the point estimate of the proportion of the population that would provide Yes responses (to 2 decimals)?
 
b. What is your estimate of the standard error of the proportion (to 4 decimals)?
 
c. Compute the 95% confidence interval for the population proportion (to 4 decimals).

At a university, 61% of the 7400 students are female. The student newspaper reports results of a survey of a random sample of 50 students about various topics involving alcohol abuse, such as participation in binge drinking. They report that their sample contained 26 females.

(a) Show the population distribution of gender at this university
 
(b) show the data distribution of gender for the sample
 
(c) Consider the sampling distribution of the sample proportion of females in samples of size 50. State the mean and standard error for this sampling distribution.
 
 

 

At a university, 61% of the 7400 students are female. The student newspaper reports results of a survey of a random sample of 50 students about various topics involving alcohol abuse, such as participation in binge drinking. They report that their sample contained 26 females.

 

(a) Show the population distribution of gender at this university

(b) show the data distribution of gender for the sample

(c) Consider the sampling distribution of the sample proportion of females in samples of size 50. State the mean and standard error for this sampling distribution.

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