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Answered

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Suppose that a population parameter is 0.7 and many samples are taken
from the population. If the size of each sample is 30, what is the standard
error of the distribution of sample proportions?
A. 0.008
B. 0.084
C. 0.115
D. 0.141

Suppose That A Population Parameter Is 07 And Many Samples Are Taken From The Population If The Size Of Each Sample Is 30 What Is The Standard Error Of The Dist class=

Sagot :

Answer:

b

Step-by-step explanation:

The standard error of the distribution of sample proportions is 0.084

The correct option is (B).

What is standard error?

Standard error is calculated by dividing the standard deviation of the sample by the square root of the sample size.

Given:  population parameter: 0.7, n=30

Standard error:  √[p (1 - p) / n]

= √[0.7 (1 - 0.7) / 30]

=  √[0.7*0.3 / 30]

=  √0.21 / 30

= √0.007

=0.0836

=0.084

Hence, the standard error is 0.084.

Learn more about standard error here:

https://brainly.com/question/10197534

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