Determine if the scenario is an independent or dependent event: A bag contains eight red marbles and four blue marbles. You randomly pick a marble and then
pick a second marble without returning the marbles to the bag. The first marble is red and the
second marble is blue.

A. Dependent

B. Independent

Which of those sequences is a geometric sequence

Grant simplified the expression 1.5(-3.2 + 2.5) his work is shown below explain the error in grants work

Arandom sample of 45 observations results in a sample mean of 68. the population standard deviation is known to be 23 a. compute the margin of error at a 959% confidence interval. b. compute the 95% confidence interval for the population mean c. compute the 90% confidence interval for the population mean. d. compute the 75% confidence interval for the population mean