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7th Grade probability - 4 problems. little help?
My pre-algebra teacher never taught probability material. I have a vague remembrance of skimming it last year, but i honestly don´t recall right now. dont worry, it is only four problems. if you could explain the following problems and include the final answer in your responses, i would greatly appreciate your efforts. by the way, the worksheet is about The Voice. below is a review of the challenges and rules. Quick recap of stats: BLIND AUDITIONS - # of contestants at end of round is 16 per team, total 64. BATTLE ROUNDS - # of contestants at end of round is 10 per team, total 40. KNOCKOUT ROUNDS - # of contestants at end of round is 5 per team, total 20. LIVE ROUNDS - contestants are eliminated until each team is narrowed down to one contestant. FINALS - four finalists battle to be the single champion. QUESTIONS - 1. What is the probability of making it from the start of the live rounds to the finals? 2. After being selected in the blind audition, what is the probability of making it to the live rounds? 3. What is the probability of two contestants both making it from the start of the battle rounds to the live rounds? 4. What is the probability of two contestants making it from the start of the knockout rounds to the live rounds? Thank you so much in advance. I really appreciate your help! ps - i know some of these may seem pretty dumb or easy to you, but i have to say that algebra is the most frustrating subject to me {not only because the problems are impossible for me to understand, but also due to the fact that it threatens to knock me off A plus Honor Society. growl.} so please. ive seen mean people on YA. I´m not dumb just confused! k, thx.5th grade Math Problems.?
For snack, students can choose an apple, an orange or a banana. They can choose orange juice, milk, or grape juice.. 1. Find the probability of choosing an apple and grape juice. A. 1/3 B. 1/6 C. 1/9 D. 2/9 Find the probability of choosing an orange or banana and milk. F. 1/3 G. 2/3 H. 4/9 J. 2/9 If you don't get this last one then its ok. Dylan went to a banquet. At the end of the meal, equal amounts of peices of chocolate, blueberry, and pecan pie were passed out randomly to the guests. What is the probability that Dylan will recieve the apple pie? A. 12/13 B. 1/3 C. 1/4 D. 1/12 Thanks! I will choose best answer! (: First of all im not cheating. I got these questions online in a printable worksheet paper. Once I got the answer I'll find my way to that answer. It's called learning.Probability!!!!!!!!!?
I'm gonna go ahead and post all of them but really if someone can tell me how to do the first one then I can probably figure out the rest. We had a similar worksheet on this stuff a few days ago and the grade I made was terrible even though I read the notes :( 4. A regular die is tossed. a) What is the probability of tossing a 7? b) What is the probability of tossing an even number? c) What is the probability of tossing a 1 or a 4 on one toss? d) What is the probability of tossing an odd number or an even number on one toss? e) What is the probability of tossing an odd number and a 6 on one toss?Can somebody find the answers to this Math worksheet?
1.) A person has bought one ticket each for two separate lotteries. Determine the probability of winning a grand prize for two lotteries. a) For the first lottery, 5 random numbers are drawn from 40. To win the grand prize, you need to select the correct 5 numbers. (1 mark) b) For the second lottery, 4 random numbers are drawn one at a time from 35. To win the grand prize, you need to select the correct 4 numbers in the correct order. (1 mark) c) A person is more likely to win the first lottery described in question 1.a., even though the first lottery requires a person to have more correct numbers (5 compared to 4) selected from a larger set of numbers (40 compared to 35). Explain why this is true. (1 mark) 2.) Identify whether each situation is either permutations or combinations. Explain a) Appointing a chair, vice chair, and a secretary from a committee of 9 students. (2 marks) b) Choosing any 3 of 5 flavours of fruit juice. (2 marks) c) Forming a sequence of and x symbols using 5 symbols and 4 x symbols. (2 marks) I really appreciate your help and please show your work! Thanks in advance!!!.

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