What is the probability of obtaining a sample mean of 56 or less from a sample of 50​?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Consider a population of
300
with a mean of
55
and a standard deviation equal to
26.
What is the probability of obtaining a sample mean of
56
or less from a sample of
50​?
 
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Part 1
What is the probability of obtaining a sample mean of 56 or less from a sample of
50​?
 
P(x≤56  )=enter your response here
​(Round to four decimal places as​ needed.)
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