How to simplify 16/18
2 answers:
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Answer:
The value is
Step-by-step explanation:
From the question we are told that
The sample size is n = 24
The mean is
The standard deviation is
Generally the probability that a randomly chosen student earned a B or higher on the test (score of 80 or higher ) is mathematically represented as
=>
From the z table the area under the normal curve to the right corresponding to -0.225 is
=>