An analyst is trying to determine whether the prices of certain stocks on the nasdaq are independent of the industry to which they belong. she examines four industries and, classifies the stock prices in these industries into one of three categories (high-priced, average-priced, low-priced). industry stock price i ii iii iv high 28 8 20 18 average 19 27 22 22 low 8 15 7 9
calculate the value of the test statistic.

Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?

Five dinosaurs go for a walk and come across some lovely chicken wings. their names are rexy, bronto, steggy, paly, and terry. there are exactly 5 dozen wings(equal enough for each dino to have a dozen right? ); however, terry is on a diet and he only eats 6 wings. if paly eats 2 more than terry, steggy eats 4 more than paly, and bronto and rexy eat the same amount because they are really hungry from not eating all day, how many chicken wings did each dino eat?

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.