Hannah's sweets gcse maths
WebJun 5, 2015 · When Hannah takes her first sweet from the bag, there is a 6/n chance it is orange. This is because there are 6 orange sweets and n sweets. With her second sweet, there is a 5/(n-1) chance that it ... WebCurrent and Past Courses Click here to return to the Course Description Page. Fall 2024
Hannah's sweets gcse maths
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WebJun 5, 2015 · A question about Hannah's sweets angered some GCSE students A tricky GCSE maths question stumped thousands of students - but inspired them to take to Twitter to vent their anger and frustration. WebQueen Sweets Atlanta, Marietta, Georgia. 730 likes · 3 talking about this. Dessert Shop ...
WebJun 5, 2015 · How to solve the Hannah's Sweets GCSE maths problem. Thousands of GCSE maths students have complained about a question on the probability of getting two orange sweets … WebAfter Hannah has eaten an orange sweet the probability changes. We now have n-1 sweets left in the bag, 5 of which are orange, since one orange sweet is missing from …
WebJun 6, 2015 · The question about Hannah and her sweets (if you haven't seen it, google it!) was part of the 2015 Edexcel Higher GCSE maths exam. It was a tricky question, but arguably not the hardest on the paper. But the fact that a probability question about sweets suddenly turned into a question about solving a quadratic equation seemed to make it the ... WebJun 5, 2015 · So how many sweets does Hannah have? The answer is 10 n = 10. 10² - 10 - 90 = 0 So if Hannah has 10 sweets she has a 6/10 chance of pulling out an orange sweet first time and then a 5/9...
WebThere are n sweets in a bag. 6 of the sweets are orange. The rest of the sweets are yellow. Hannah takes a random sweet from the bag. She eats the sweet. Hannah then takes at random another sweet from the bag. She eats the sweet. The probability that Hannah eats two orange sweets is 1/3. Show that n² – n – 90 = 0.
WebThat’s because there are 6 oranges and n sweets. If Hannah takes a sweet from the bag on her second selection, there is a 5/(n-1) chance it will be orange. That’s because there … how do i get my goodyear tire rebateWebApr 27, 2024 · Author’s note: This SSDD is based on the infamous Hannah’s Sweets GCSE question from 2015. The original GCSE question asked students to show that a quadratic could be formed in part (a) of … how much is the old republicWebJun 5, 2015 · Hannah has a bag containing n sweets, 6 of which are orange. She eats two sweets at random from the bag. The probability that the two sweets Hannah eats are both orange is 1 3. Show that n 2 − n = 90. Possible follow-up (I don't know if this was part of the original): how many sweets were there in total in the bag? probability quadratics Share Cite how much is the old aged pensionWebGwinnett County Public Schools · 437 Old Peachtree Road, NW, Suwanee, GA 30024-2987 · www.gwinnett.k12.ga.us Gwinnett County Public Schools Recommended … how much is the omaze drawWebAug 20, 2015 · Hannah takes a sweet from the bag. She eats the sweet. Hannah then takes at random another sweet from the bag. She eats the sweet. The probability that Hannah eats two orange sweets... how much is the old charizard worthWebThe probability of getting an orange sweet the first time is 6/n. The probability of getting an orange sweet the second time is 5/n-1Times those together to get the probability of 2 orange sweets: 6/n x 5/n-1 = 30/n 2 - n This we're told equals a 1/3: 1/3 = 30/n 2 - n (then times the bottoms up)n 2 - n = 90 (take the 90 over to the left)n 2 - n ... how do i get my google contacts on my iphoneWebThe rest of the sweets are yellow. Hannah takes a sweet out of the bag at random. She eats the sweet and then takes another at random. She eats the second sweet. The probability that Hannah eats two orange sweets is 1/3. Show that n 2 - n - 90 = 0. This is the question that caused much upset and pain during this years GCSE exam. how much is the old penny worth