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The amount of water consumed each day by a healthy adult

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Question;The amount of water consumed each day by a healthy adult follows a normal distribution with a mean of 1.38 liters. A sample of 10 adults after the campaign shows the following consumption in liters:1.48 1.50 1.42 1.40 1.56 1.80 1.62 1.84 1.42 1.39At the.05 significance level, can we conclude that water consumption has increased? Calculate and interpret the p-value.(a) State the null hypothesis and the alternate hypothesis. (Round your answers to 2 decimal places.);(b) State the decision rule for.05 significance level. (Round your answer to 3 decimal places.);(c)Compute the value of the test statistic. (Round the value of standard deviation and final answer to 3 decimal places.)

 

Paper#57373 | Written in 18-Jul-2015

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