Asked by Timbs
Q1) The life of an Appex brand battery is 500 days with a standard deviation of 12 days. What percent of values are between 488 and 524?
Q2)The life of an Appex brand battery is 500 days with a standard deviation of 12 days. What percent of values are less than 512?
Q3)The life of an Appex brand battery is 500 days with a standard deviation of 12 days. What percent of values are less than 488?
Q4) The life of an Appex brand battery is 500 days with a standard deviation of 12 days. Calculate the z-score for a battery that lasted 465 days.
Q2)The life of an Appex brand battery is 500 days with a standard deviation of 12 days. What percent of values are less than 512?
Q3)The life of an Appex brand battery is 500 days with a standard deviation of 12 days. What percent of values are less than 488?
Q4) The life of an Appex brand battery is 500 days with a standard deviation of 12 days. Calculate the z-score for a battery that lasted 465 days.
Answers
Answered by
oobleck
You can play around with Z table stuff at
davidmlane.com/hyperstat/z_table.html
davidmlane.com/hyperstat/z_table.html
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