A set of exam scores are approximately normally distributed with mean = 73 and standard deviation - 7. Use the Empirical Rule to determine the area of the shaded regions shown below. 1. 2. 3. 52 52 52 59 59 59 66 66 66 73 Exam Scores 73 Exam Scores 73 Exam Scores 80 80 80 87 87 94

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A: Given Mean=$1.573 Standard deviation=$1.105

Q: If a data set has a normal distribution, what portion of the data falls between and x + o 0.34 0.475…

A: Empirical rule The Empirical rule for any normal distribution is given below:

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A:

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: Given ,Mean , 100Standard deviation , 15 Also , the given graph is : We have to find the area of the…

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A: It is given that  Mean, μ = 66 Standard deviation, σ = 5

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A: Based on the data, we find, μ=525. Sample mean = 530.  Sample standard deviation = 112. No of…

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Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A:

Q: wer below. A. Ho Hg+0 HA Ha =0 O B. Ho Ha s0 OC. Ho H =0 HA Ha #0 OD. Ho: Ha 20

A: The test is a one-tailed test. Dependent t-test

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Q: ind the area of the shaded region. The graph to the right depicts IQ scores of​ adults, and those…

A: The mean is 100 and standard deviation is 15.

Q: Students in a class took a test whose results were normally distributed.  The mean score was an 81…

A: Students in a class took a test whose results were normally distributed.  The mean score was 81 and…

Q: Find the mean and standard deviation for the individualized instruction scores. Scores…

A: The table shows the frequency of individualized instruction.