A safety administration conducted crash tests of child booster seats for cars. Listed below are the results from those tests ,700,660,1216,682,634,686 with the measurements given in hic. The safety requirement is that the hic measurement should be less than 1000 hic. Use a 0.01 significance level to test the claim that the sample is from a population with a mean less than 1000 hic. Find the alternative hypothesis , test statistic, p value and the final conclusion .

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