thankyou sosososososossososo much iLOVEYOUU!-Wow, thats a lot of questions.Ill see what I can do:#1:There are a total of 3 + 7 + 8 = 18 sweets.7 of those sweets are truffles, so the probability of choosing a truffle is 7/18 = .......
10.a fruit machine has three independent reels and pays out a jackpot of £1000 when 3 raspberries are obtained. each reel has 12 pictures of fruit. the first reel has four pictures of raspberries; the second reel has 3 pictures of raspberries and the third, 5 pictures of raspberries. find the probability of winning the jackpot.
thankyou sosososososossososo much iLOVEYOUU!
Wow, that's a lot of questions. I'll see what I can do:
#1: There are a total of 3 + 7 + 8 = 18 sweets. 7 of those sweets are truffles, so the probability of choosing a truffle is 7/18 = .3889 . Probabilities are always expressed as a decimal, but feel free to leave it as a fraction if your teacher requires it.
#2: This question seems a little jumbled the way you've presented it, and I'm not sure what the actual question is. I don't have a way of drawing a diagram for you, and I'm not sure if the other text is related to the problem at all.
#3: An ordinary die has six sides, and if you do enough trials there should be an equal probability of the die landing on any of the six numbers. To test this, you could do say 100 trials and figure out how often the die lands on each number. It should work out to be roughly the same if the die is fair.
#4: Skipped. Sorry, I'm a little rusty.
#5: If 3 of her 10 tickets are winning tickets, then the probability of any given ticket she has being the winning one is 3/10 = .3 . She could be wrong about the probability if she miscounted her tickets.
#6: Black: B/12; Not Black: (12 - B) /12
#7: I don't know how to solve this one offhand, sorry.
#8: 0.85 *0.65 = 0.5525
#9: This answer could vary based on your thought process, so I leave to you to tell the teacher what you think the answer ought to be.
#10: To find the answer, we multiply the probability of each reel having a raspberry:
(4/12) * (3/12) * (5/12) = 0.3472
I'm sorry that I wasn't able to answer all of them for you. I hope it helped anyway!
