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:
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
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q13: Apply the 68-95-99.7 rule to answer <br>-The
Q14: Many colleges require SAT scores of high
Q15: The lifetimes of light bulbs of a
Q16: Which set of data represented by the
Q17: The weights of the fish in a
Q19: The scores on a certain test are
Q20: The weights of a large population of
Q21: Assuming that the lengths of the inchworms
Q22: If light bulbs have lives that are
Q23: Decide which of the described variables likely