What is printed by the following code?double price = 9.99; int units = 3; System.out.println((int) price * units);

What is the output of this code?int[][] grid = {{1,2,3},{4,5,6},{7,8,9}}; System.out.println(grid[2][0] + grid[0][2]);

What is the index of the LAST element in an array of length 6?

How many times is hello printed?int i = 10; while (i > 0) { System.out.println(“hello”); i -= 3; }

What is printed by this code?ArrayList nums = new ArrayList(); nums.add(10); nums.add(20); nums.add(30); System.out.println(nums.get(0) + nums.get(2));

What is the output of this code?String word = “BANANA”; System.out.println(word.indexOf(“AN”));

A student in an introductory statistics class at IU investigates the relationship between hotel occupancy (%) and restaurant sales ($ millions) during FIFA 2026 across the 11 U.S. host cities using data collected from the first two weeks of the tournament. She fits a simple linear regression model to predict restaurant sales based on hotel occupancy. The R output from the fitted simple linear regression model is provided below.   Which of the following options correctly states the null and the alternative hypothesis to test whether there is a significant association between Hotel Occupancy and Restaurant Sales? (Let

A wildlife biologist wants to estimate the proportion (p) of frogs in a pond population that carry a particular fungus. She randomly samples 100 frogs and finds that 45 are infected. Which of the following options correctly gives the lower and upper bounds of a 90% confidence interval for the true proportion of infected frogs in the pond?

A nutritionist calculates a 90% confidence interval for the average daily calorie intake of adults as (2,000, 2,600) calories. Which of the following statements is correct regarding the margin of error (MOE) for this confidence interval?

Which of the following settings does allow the use of a paired t-procedure?