WebExam Style Questions Ensure you have: Pencil, pen, ruler, protractor, pair of compasses and eraser You may use tracing paper if needed Guidance 1. Read each question carefully before you begin answering it. 2. Donʼt spend too long on one question. 3. Attempt every question. 4. Check your answers seem right. 5. Always show your workings ... WebIn a survey, 60 students were asked whether they have a bank account (B) and whether they have a part-time job (J). The number of students who had neither a bank account nor a part-time job was x.. The Venn diagram shows the results in terms of x.. One of the 60 students is chosen at random.

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WebCombined events. Combined events can be shown in different ways such as by systematic listing, or by using tables, grids, Venn diagrams and tree diagrams. The probability of a particular combined ... WebSo the probability of the second counter being green (if the first one was green) is 6/9. This is the conditional probability part of the question. Now to find the probability of '1st counter green AND 2nd counter green' we multiply those two probabilities together. This is the combined probability part of the question. countdown dog treats

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WebSep 5, 2024 · Click here for Answers. probability, trees. Practice Questions. Previous Independent Events Practice Questions. WebComplete the frequency tree using this information. Step 1: \textcolor {red} {45} of the people in question were under 18. The total number of people is 120. We can now work out the following. \text {‘18 and over’ people }=120-45=\textcolor {red} {75} We can now add these to the frequency tree. Step 2: ‘ \textcolor {red} {32} people aged ... http://www.bland.in/gcse/probability_tree_new1.pdf countdown dinner recipes