The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.20 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:
1.34 | 1.32 | 1.38 | 1.40 | 1.70 | 1.40 | 1.32 | 1.90 | 1.38 | 1.36 |
At the 0.100 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value.
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