Applications with Standard Normal Distribution Answers

What is the approximate area of the shaded region under the standard normal curve below? Use the portion of the standard normal table given to help answer the question. zProbability0.000.50001.000.84132.000.97723.000.9987

For a standard normal distribution, which of the following variables always equals 0?

What is the approximate area of the unshaded region under the standard normal curve below? Use the portion of the standard normal table given to help answer the question. z Probability0.000.50001.000.84132.000.97723.000.9987

Which of the following statements is equivalent to ?

A normal distribution of data has a mean of 15 and a standard deviation of 4. How many standard deviations from the mean is 25?

For a standard normal distribution, if , what is the value of ?

For a standard normal distribution, find the approximate value of . Use the portion of the standard normal table below to help answer the question.zProbability0.000.50000.250.59871.000.84131.250.89441.500.93321.750.9599

For a standard normal distribution, find the approximate value of . Use the portion of the standard normal table below to help answer the question.zProbability0.000.50000.220.58710.320.62550.420.66280.440.67000.640.73890.840.79951.000.8413

For a standard normal distribution, which of the following variables always equals 1?

About what percentage of the data lies within 2 standard deviations of the mean in a normal distribution?