Using the information from section 1.2.3, what would be the number of suspected pairs if the following changes were made to the data (and all other numbers remained as they were in that section)?

a) the number of days of observation was raised to 2000.

b) the number of people observed was raised to 2 billion (and there were therefore 200,000 hotels).

c) we only reported a pair as suspect if they were at the same hotel at the same time on three different days.

What are ways to switch windows in excel? check all that apply. on the status bar, click the windows button, and then click the file name. on the task bar, click to display the excel jump list, and then click the file name. on the view tab, in the window group, click switch windows, and then click the file name. on the review tab, in the viewing group, click files, and then click the file name.

Design a class tictactoe that: holds the following information about the game: two-dimensional array (3 by 3), and winner. add additional variables as needed. includes the functions to perform the various operations on objects. for example, function to print the board, getting the move, checking if move is valid, determining if there is a winner after each move. add additional operations as needed. includes constructor(s). write the functions of the class, and write a program that uses the class. the program should declare an object of type tictactoe. the program will create the board and store it in the array. the program will allow two players to play the tic-tac-toe game. after every valid move update the array, check if there is a winner. if there is no winner and no tie, then print the board again to continue.

What is one reason why indoor air pollution has become an increasing problem.