Testing Hypothesis. Identify the null and alternative hypothesis, test statistics, p-value or critical value(s), conclusion about the null hypotesis and final conclusion that address the original claim.
weights of bears : the health of the bear population in yellowstone national park is monitored by periodic measurement taken from anesthetized bears .A sample 54 bears has a mean weight of 182.9 Ib . Assuming that the standard deviation is known to be 121.8Ib use 0.05 significance level to test the claim that the population mean of all such bear weights is greater than 150 Ib.