Explain the meaning of the phrase " the sampling distribution of the sample statistic A"

amanf 2021-02-25 Answered
Explain the meaning of the phrase " the sampling distribution of the sample statistic A"
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Nathalie Redfern
Answered 2021-02-26 Author has 99 answers
It is given that A is calculated using a specified formula of the sample measurements.
The meaning of the given phrase "the samping distribution of the sample statistic A" is the probability distribution of the random variable A.
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A population of values has a normal distribution with μ=121.3μ=121.3 and σ=5.8σ=5.8. You intend to draw a random sample of size n=149n=149.

Find the probability that a single randomly selected value is between 119.8 and 121.2.
P(119.8 < X < 121.2)

 

Find the probability that a sample of size n=149n=149 is randomly selected with a mean between 119.8 and 121.2.
P(119.8 < M < 121.2)

 

Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.


 

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