Before 1918, the proportion of female wolves in the general population of all southwestern wolves was about 50%. However, after 1918, southwestern cattle ranchers began a widespread effort to destroy wolves. In a recent sample of 34 wolves, there were only 10 females. One theory is that male wolves tend to return sooner than females to their old territories, where their predecessors were exterminated. Do these data indicate that the population

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A: The test statistic for this sample is, Thus, the test statistic is 1.022.

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A: Given that  p = 0.3 , n = 77 , x = 26

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Q: Many investors and financial analysts believe the Dow Jones Industrial Average (DJIA) gives a good…

A: Solution: Given information: n= 51 Sample size of stocks  x= 8 stocks went up  p^=xn=851=0.1569…