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A student was asked to find a 95 confidence interval for weight of their backpacks...

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A student was asked to find a 95 confidence interval for weight of their backpacks in pounds using data from a random sample of size n 20 Which of the following is a correct interpretation of the interval 3 9 7 1 Assume the population is normally distributed O With 95 confidence the weight of a randomly selected backpack will be between 3 9 and 7 4 pounds O There is a 95 chance that the weight is between 3 9 and 7 1 O The sample mean weight of all backpacks is between 3 9 and 7 1 pounds 95 of the time We know this is true because the mean of our sample is between 3 9 and 7 1 O There is a 95 chance that the mean of a sample of 20 backpacks will weigh between 3 9 and 7 1 pounds O With 95 confidence the mean weight of all backpacks is between 3 9 and 7 1 pounds

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