In a board game, players take turns spinning a wheel with ten spaces and values of $200, $400, $500, and $900. There are three $200 spaces, four $400 spaces, one $500 space, and two $900 spaces. What is the expected value of

spinning the wheel once?

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals