Question: these 7 Formula 5 points A gumball machine contains 8 blue gumballs and 4 red gumballs. Two gumballs are purchased, one after the other, without

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7 Formula 5 points A gumball machine contains 8 blue gumballs and 4 red gumballs. Two gumballs are purchased, one after the other, without replacement, Find the probability that the second gumball is red. Express your answer as a decimal, rounded to the nearest hundredth. Answer 0.33 8 Formula 5 points Mrs. Jordan has a collection of 9 expensive dolls. How many different ways can she arrange 4 of them in a straight line for a photo? Answer 3,024 9 Formula 5 points A game uses a single 6-sided die. To play the game, the die is rolled one time, with the following results: Even number = lose $10 . 1or 3 = win $1 . 5= win $9 Find the expected value of this game, Round your answer to the nearest cent, and do not include a $ sign or the word "dollars" in your response

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