Write 0.7 as a fraction 15. use a calculator to evaluate cach expression. round answers to two decimals (1.125x024) b0.52+(-1.7 ? . (-1..33) d. -5.45+(-0.125 21, 24 is 70% of what number? 22. in a study, 35o women tried a new diet. pounds the first week of the study, how many women in this group lost at least five pounds? if95% ofthe women lost at least five 26. find the point-slope equation of the line perpendicular to the line y- 2x+5 passing through the point (1, 4).

The null and alternate hypotheses are: h0: μ1 ≤ μ2 h1: μ1 > μ2 a random sample of 22 items from the first population showed a mean of 113 and a standard deviation of 12. a sample of 16 items for the second population showed a mean of 99 and a standard deviation of 6. use the 0.01 significant level. find the degrees of freedom for unequal variance test. (round down your answer to the nearest whole number.) state the decision rule for 0.010 significance level. (round your answer to 3 decimal places.) compute the value of the test statistic. (round your answer to 3 decimal places.) what is your decision regarding the null hypothesis? use the 0.01 significance level.