Hi



mean of 50 and a standard deviation of 30.

*Note:   | z = 2.5

   2.5 = (x-50)/30 

   x = 2.5*30 + 50

   x = 125

 

RELATED QUESTIONS

The scores on a test are normally distributed with the mean of 150 and a standard... (answered by ewatrrr)

Scores on an English test are normally distributed with a mean of 33.7 and a standard... (answered by Boreal)

The scores on a certain test are normally distributed with a mean score of 51 and a... (answered by stanbon)

The scores on a certain test are normally distributed with a mean score of 69 and a... (answered by ewatrrr)

The scores on a lab test are normally distributed with mean of 200. If the standard... (answered by John10)

The scores on a certain test are normally distributed with a mean score of 43 and a... (answered by stanbon)

The scores on a certain test are normally distributed with a mean score of 43 and a... (answered by stanbon)

The SAT scores for MATH are normally distributed with a mean of 480 and a standard... (answered by jpg7n16)

IQ scores of adults are normally distributed with a mean of 100 and a standard deviation... (answered by stanbon,ewatrrr)