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A bag contains 5 blue marbles and 5 red marbles. If marbles are NOT replaced after being selected from the bag, what is the probability (in percentage) of picking 2 red marbles? Give your answer to one decimal place.

As there are a total of 10 marbles in the bag, then the probability of picking a red marble is 5/10. When the next marble is selected, there are only 9 marbles left in the bag since the red marble has not...

PB
Answered by Peter B. Maths tutor
9479 Views

How do different factors affect the rate of photosynthesis and transpiration in plants?

Firstly it's important to distinguish that photosynthesis and transpiration are two different processes. Photosynthesis is the process used by plants to convert carbon dioxide and water into gucose and ox...

ES
Answered by Emma S. Biology tutor
85228 Views

What is the difference between the imperfect and the perfect tense? When are they supposed to be used?

Both tenses express an action that was done in the past. However, the imperfect is used to speak about a habit, something that is done often and regularly. The perfect tense is used to speak about a singl...

AC
Answered by Anna C. French tutor
6020 Views

To what extent are different socialists committed to equality of outcome

Use the intro to briefly explain what 'equality of outcome' means (elimination of class system). Then mention the different kinds of socialists that exist (Marxist, democratic socialist, social democrats,...

CP
Answered by Chibueze P. History tutor
13514 Views

Georgia has a bucket of sandy sea water, and wants to separate it out into it's components: sea-salt, water and sand. What steps should she take to achieve this? How can she check at the end that the water is pure?

First, she should filter the mixture using a filter funnel and filter paper to remove the sand. Then, she should distill the remaining solution, using a bunsen burner, a distillation column and a condensi...

NB
Answered by Nikhil B. Chemistry tutor
8526 Views

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