Use Excel to find the Standard Normal Probability for the following questions. Don't forget to sketch the normal distrib

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answerhappygod
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Use Excel to find the Standard Normal Probability for the following questions. Don't forget to sketch the normal distrib

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Use Excel to find the Standard NormalProbability for the following questions. Don't forgetto sketch the normal distribution and shade the required area.
a) What is the area in the right handtail of the standard normal curve beyond z =2.78? (4dp) Answer
b) What is the area under the standard normalcurve between z = -1.28 and z =1.28? (4dp) Answer
c) What is the z-value that gives the left handtail area equal to0.0102? (2dp) Answer
d) What is the absolute value of x (a z-value) such thatthe total area under the standard normalcurve between –x and +x willbe 0.7924? (2dp) Answer
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