Mathematics, 19.10.2019 13:10 deadpoolcorvettehats
The average battery life of 2800 manufactured cell phones is recorded and normally distributed. the mean battery life is 14 hours with a standard deviation of .5 hours. find the number of phones who have a battery life in the 13 to 14 range.
Answers: 1
Mathematics, 21.06.2019 14:00
Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?
Answers: 1
Mathematics, 21.06.2019 18:30
Three times the sum of a number and seven is negative thirty-six. what is the number?
Answers: 2
The average battery life of 2800 manufactured cell phones is recorded and normally distributed. the...
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