У 140
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80
Water (gallons)
60
40
20
10
20
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30 40
Time (minutes)
The scatter plot shows the amount of water in a tank as measured every few minutes.
The initial amount of water in the tank was
per minute. The tank will be empty in about
gallons. The line of best fit shows that about
minutes.
gallon(s) of water were lost
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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.