How to practice Probability and Statistics

Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.

Questions 1–3 of 3. Imported answers require independent review unless marked reviewed.

Topic practice 3 questionsPage 1 of 1

Question 31

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INNAT1 markNeeds review
A data set is given to be [1, 2, 0, −1, −3, 1, 2, 0, 1].
The median of the data set is _____. (rounded off to the nearest integer)

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Question 36

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INMCQ2 marksNeeds review
A box contains three apples and two oranges. Two fruits are removed randomly in succession. The probability that the first is an apple and the second is an orange is _____.
Your answerChoose one option.

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Question 52

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INNAT2 marksNeeds review
The probability of a student missing a class is 0.1. In a total number of 10 classes, the probability that the student will not miss more than one class is ___ (rounded off to two decimal places).

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