Roger B.

asked • 11/18/17

Find the indicated probability using the standard normal distribution. ​P(0<z<0.525​)?

Find the indicated probability using the standard normal distribution. P(0<z<0.525)?

 

Roger B.

wrong answer.
Because the normal distribution is a continuous probability distribution, the area under the standard normal curve to the left of a z-score gives the probability that z is less than that score. To find the area that corresponds to a z-score with a standard normal table, find the value in the left column of the table that matches the ones and tenths digits of the z-score, and then move across the row to the column under the hundredths digit of the z-score. The number in that row and column is the area to the left of that z-score. If the z-score is halfway between two columns, the average of the two numbers in that row and those columns is the area to the left of that z-score. Technology can also be used to find the z-score. To find the area between two z-scores, find the area corresponding to each z-score. Then subtract the smaller area from the larger area.
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11/18/17

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