The average number of cavities that thirty-year-old Americans have had in their lifetimes is 7.  Do twenty-year-olds have a different number of cavities? The data show the results of a survey of 11 twenty-year-olds who were asked how many cavities they have had. Assume that the distribution of the population is normal. 4, 8, 5, 7, 7, 4, 8, 5, 4, 4, 6 H0=? H1=? The test statistic    = ? (please show your answer to 4 decimal places.) The p-value = ? (Please show your answer to 5 decimal places.)

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