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Orange Mobiles claims that the average battery life of their flagship mobile is at least 7 hours. They try to verify this claim on 150
Orange Mobiles claims that the average battery life of their flagship mobile is at least 7 hours. They try to verify this claim on 150 mobiles. They find that the average battery life of these 150 mobiles is 6.9 hours with a standard deviation of 2 hours. Choose the most appropriate answer form below:
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P value is about 0.7294 and is to the left of the mean
P value is about 0.7294 and is to the right of the mean
P value is about 0.2706 and is to the right of the mean
P value is about 0.2706 and is to the left of the mean
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