Mathematics, 29.06.2019 00:30 igtguith
For certain types of laptops, the length of time between charges of the battery is normally distributed with a mean of 8 hours and a standard deviation of 1.75 hours when in full use. a store owner randomly chose a sample of 32 laptops from his stock.
what is the sampling distribution of the mean length of time of these 32 laptops? give the distribution, the mean and the standard deviation.
what is the probability that the mean length of time is less than 8.5 hours?
Answers: 2
Mathematics, 21.06.2019 18:40
20 points for the brainliest? drag each tile to the correct box. not all tiles will be used. arrange the steps to solve the equation . plz
Answers: 2
Mathematics, 21.06.2019 19:30
Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36
Answers: 1
Mathematics, 22.06.2019 01:30
Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)
Answers: 2
For certain types of laptops, the length of time between charges of the battery is normally distribu...
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