Ask a New Question
Menu

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.

1 answer

You can play around with Z table stuff at
davidmlane.com/hyperstat/z_table.html