The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.4 liters. A health campaign promotes the consumption of at least 2.0 liters per day. A sample of 10 adults after the campaign shows the following consumption in liters:

At the .01 significance level, can we conclude that water consumption has increased? Calculate and interpret thep-value.

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1.5 1.6 1.5 1.4 1.9 1.4 1.3 19 18 1.7