Answer:
And we can find this probability using the normal standard distribution table or excel and we got:

Explanation:
Previous concepts
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".
Solution to the problem
Let X the random variable that represent the expected return, and for this case we know the distribution for X is given by:
Where
and
We are interested on this probability
And the best way to solve this problem is using the normal standard distribution and the z score given by:
If we apply this formula to our probability we got this:
And we can find this probability using the normal standard distribution table or excel and we got:
The player in the economy which supplies labor in the factor market is the households.
<h3>What is supply of labor?</h3>
This refers to the number of labor who are willing and able to find work in an economy. The supply for labor is also the hours worked by a workers within a time period.
Hence, the player in the economy supplies labor in the factor market is the households.
Learn more about supply of labor here: brainly.com/question/17175566
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Enhancing, Retaining, Satisfying and Attracting.
The phase that comes after the trough and before the peak is called expansion