4.5 Statistical distributions (A-level only)

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Question 32

The scores of students in a physics olympiad, $S$ , follow a normal distribution. Data shows that 10% of students scored less than 45 marks, and 5% of students scored more than 85 marks.

Calculate the mean score and the standard deviation of the scores.

[6]

4.5 Statistical distributions (A-level only)

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Question 32

The scores of students in a physics olympiad, $S$ , follow a normal distribution. Data shows that 10% of students scored less than 45 marks, and 5% of students scored more than 85 marks.

Calculate the mean score and the standard deviation of the scores.

[6]

4.5 Statistical distributions (A-level only)

Question 32

4.5 Statistical distributions (A-level only) Questions

4.5 Statistical distributions (A-level only)

Question 32

4.5 Statistical distributions (A-level only) Questions