Year 11
Higher
Find probabilities from a histogram
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Lesson details
Key learning points
- In this lesson, we will learn how to find probabilities from a histogram by finding the frequencies represented by each bar and the vertical scale.
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
What is the total frequency?
A
C
D
Q2.
Which class interval contains the median?
A
B
D
Q3.
What is the estimate median?
B
C
D
3 Questions
Q1.
What is the probability a plant chosen at random is less than 10 cm?
B
C
D
Q2.
What is the probability a plant chosen at random is more than 20 cm?
A
B
C
Q3.
What is an estimate for the probability that a randomly selected plant is over 30 cm tall?
A
C
D