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Sagot :
The probability that the battery life for an iPad mini will be at least 11 hours is 0.2857.
The probability of an event occurring as determined by the proportion of favorable occurrences to all possible cases. Here we have to find the probability of iPad mini battery. question tells that this iPad is 50% lighter than the other iPad and the battery life is 10.25 hours. battery is equally distributive between 8.5 and 12 hours.
So, question asked to determine battery of iPad mini at least 11 hours. first step :- determine p( x greater than and equivalent to 11) which is equivalent to 1 - p(x < 11 ) = 1 - 11 - 8.5 divided by 3.5 = 0.2857. Therefor the probability of the battery life for an iPad mini is 0.2857.
To learn more about Probability here
https://brainly.com/question/14210034
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