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When solving a problem, a tree diagram depicts the order in which events must be completed.
<h3>What is the relevance of a tree diagram?</h3>Tree diagrams are very effective in probability because they clearly and simply record all likely scenarios.
The attached Tree Diagram has been used to depict the problem that John is trying to solve.
Learn more about Tree diagrams at:
brainly.com/question/2581880
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Answer:
The scores that are less than or equal to 10.8 are considered significantly low.
The scores that are greater than or equal to 32.4 are considered significantly high.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 21.6
Standard Deviation, σ = 5.4
We are given that the distribution of score is a bell shaped distribution that is a normal distribution.
Formula:
Significantly low score:
Thus, scores that are less than or equal to 10.8 are considered significantly low.
Significantly high score:
Thus, scores that are greater than or equal to 32.4 are considered significantly high.