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2.4.6 Probabilities using the normal distribution (A-level only)

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Question 6

The volume of juice in a specific brand of bottle follows a normal distribution. 5% of bottles contain less than 480 ml. 15% of bottles contain more than 510 ml.

Find the mean and standard deviation of the volumes of juice in these bottles.

[6]

Markscheme

2.4.6 Probabilities using the normal distribution (A-level only) Questions

A Level
Maths
2.4.6 Probabilities using the normal distribution (A-level only)

147 exam-style questions on OCR A Level Maths 2.4.6 Probabilities using the normal distribution (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

2.4.6 Probabilities using the normal distribution (A-level only)

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2.4.6 Probabilities using the normal distribution (A-level only)

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Question 6

The volume of juice in a specific brand of bottle follows a normal distribution. 5% of bottles contain less than 480 ml. 15% of bottles contain more than 510 ml.

Find the mean and standard deviation of the volumes of juice in these bottles.

[6]

Markscheme

2.4.6 Probabilities using the normal distribution (A-level only) Questions

A Level
Maths
2.4.6 Probabilities using the normal distribution (A-level only)

147 exam-style questions on OCR A Level Maths 2.4.6 Probabilities using the normal distribution (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.