Find the 80% confidence intervals for the variance and standard deviation of the ages of seniors at Oak Park College if a random sample of 30 students has a standard deviation of 2.8 years. Assume the variable is normally distributed.
Use the chi-square distribution table to find any chi-square values to three decimal places. Round the final answers to one decimal
place.

Mercury poisoning is dangerous overload of mercury within the body. a major source of mercury within the body, a major source of mercury poisoning is consuming fish that contain mercury. certain fish are more prone to having higher levels of mercury than others. the pie chart shows the distribution of four breeds of fish at a hatchery. the hatchery has approximately 6,000 fish. a biologist from the centers for disease control and prevention randomly test 5% of each breed of fish for mercury content. her findings are shown in the following table. based on the biologist's findings, if a single salmon is randomly selected from those that were tested, what is the probability that this particular fish would have a dangerous mercury level? a) 0.001 b) 0.004 c) 0.02 d) 0.08

40 describe the outliers from the scatter plot.

How do i solve uniform motion problems?