erikagibson3414
16.04.2020 •
Mathematics
Here are summary statistics for randomly selected weights of newborn girls: nequals226, x overbarequals29.8 hg, sequals7.7 hg. Construct a confidence interval estimate of the mean. Use a 98% confidence level. Are these results very different from the confidence interval 27.2 hgless thanmuless than31.4 hg with only 17 sample values, x overbarequals29.3 hg, and sequals3.3 hg?
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Ответ:
2x+18+5x-9
2x+5x18-9
7x+9
7. 7
x= 1.4
hope it helps