Mathematics, 01.11.2019 02:31 kathiewallentin1767
Amanufacturer of alkaline batteries has observed that its batteries last for an average of 26 hours when used in a toy racing car. the amount of time is normally distributed with a standard deviation of 2.5 hours. what is the probability that the battery lasts longer than 28 hours? a. what is the probability that the battery lasts between 24 and 28 hours? b. what is the probability that the battery lasts longer than 28 hours? c. what is the probability that the battery lasts less than 24 hours?
Answers: 3
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What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2
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Mathematics, 21.06.2019 20:30
Suppose you just purchased a digital music player and have put 8 tracks on it. after listening to them you decide that you like 4 of the songs. with the random feature on your player, each of the 8 songs is played once in random order. find the probability that among the first two songs played (a) you like both of them. would this be unusual? (b) you like neither of them. (c) you like exactly one of them. (d) redo () if a song can be replayed before all 8 songs are played.
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Mathematics, 21.06.2019 23:30
Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.
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Amanufacturer of alkaline batteries has observed that its batteries last for an average of 26 hours...
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