Solved

The Mean Life of a Set of AAA Batteries Used

Question 47

Essay

The mean life of a set of AAA batteries used in a handheld GPS (Global Positioning System) unit is 8 hours with a standard deviation of 0.5 hours. Assuming that the battery lives are normally distributed, if a class uses 16 of these units on a field trip, approximately how many will still be working after 8.25 hours?

Correct Answer:

verifed

Verified

The z score for 8.25 is 0.5. T...

View Answer

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Unlock this Answer For Free Now!

View this answer and more for free by performing one of the following actions

qr-code

Scan the QR code to install the App and get 2 free unlocks

upload documents

Unlock quizzes for free by uploading documents