Beware the pushy fish-eater
- Write at least two conditional probability statements of
the form Pr (A|B) = x from the information given in this article.
Be sure to define events A and B carefully.
- The following information was obtained from John West Foods:
The sample size was 250, half men and half women. When the data
were subdivided by responses to items asking about fish eating
habits (4 categories) and feelings about ambition (4 categories),
the numbers in each were much smaller. In fact for males there
were SIX who ate fish frequently, of whom FOUR considered themselves
more ambitious than others.
Explain how these numbers could have been used to make the claim
in the second paragraph.
- From the information in Question 2, what warning would you
give people planning surveys?
Where to next?
Index - Related
Index - Data
Collection and Sampling
Index - Chance
and Basic Probability
- Numeracy in the News