The definition of Decision making means choosing among two or more alternatives.
<h3>What is decision making?</h3>
Decision making is the process someone make or select choice of action that he believes Is the best to follow. Decision making most times is use in conflict resolution and when there is need to make a choice. I'm conflict resolution, it help to make the right choice in order to bring about reconciliation and agreements between the individuals involved.
Therefore, The definition of Decision making means choosing among two or more alternatives, Thereby selecting a choice.
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Answer:
The answer is 0.9599.
Explanation:
mu (sample) = mu = 8.4
s.d. (sample) = 1.8/ sq. rt. 40
P( greater than 8.1) = (8.9-8.4)/(1.8/ sq. rt. 40)
Let x be the mean time for the 40 mechanics
Standardize the mechanics: (8.9-8.4)/(1.8/ sq. rt. 40) = 1.75 = Z
P( x > 8.9) = P(Z > 1.75), this means the area to the right of Z = 1.75.
Then you need to look in the table of the Normal distribution, Z(1.75) =0.9599
