Mathematics, 20.01.2020 07:31 klafleur18
Justin buys a racehorse for $25,000 and enters it in two races. he plans to sell the horse afterwards, hoping to make a profit. if the horse wins both races, its value will jump to $100,000. if the horse wins one of the races, it will be worth $60,000. if it loses both races, it will be worth only $15,000. justin believes that there is a 25% chance the horse will win the first race and a 35% chance it will win the second race. assume the two races are independent of one another. what is the the expected value?
Answers: 3
Mathematics, 21.06.2019 19:10
Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.
Answers: 2
Mathematics, 21.06.2019 21:00
Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.
Answers: 2
Mathematics, 21.06.2019 21:30
Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244
Answers: 1
Justin buys a racehorse for $25,000 and enters it in two races. he plans to sell the horse afterward...
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