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Mathematics Clinic => Statistics => Topic started by: effaey on Mar 25, 2023

Title: For a population with any distribution, the form of the sampling distribution of the sample mean is
Post by: effaey on Mar 25, 2023

Question 1

Exhibit 7-3
In a local university, 40% of the students live in the dormitories.  A random sample of 80 students is selected for a particular study.

Refer to Exhibit 7-3.  The probability that the sample proportion (the proportion living in the dormitories) is at least 0.30 is

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0.4664

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0.9328

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0.9664

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0.0336

Question 2

For a population with any distribution, the form of the sampling distribution of the sample mean is

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sometimes normal for all sample sizes

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sometimes normal for large sample sizes

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always normal for all sample sizes

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always normal for large sample sizes

Title: For a population with any distribution, the form of the sampling distribution of the sample mean is
Post by: khudija on Mar 25, 2023

Answer 1

0.9664

Answer 2

always normal for large sample sizes