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STA107H5 Lecture 5:

Canada

An Introduction to Probability and Modelling

Statistics

S Caetano

University of Toronto Mississauga

Introduction to Mathematical Proofs

What carbohydrates would give the following test results?
(a). Produces a reddish once solid with Benefits and red color with Seliweoff's reagent in 1 minute.
(b). Gives a coke charge with Benedict's test, a  light once with Seliwanoff's reagent after 5 minutes, and produces so bubbles during fermentation.
(c) Gives to color change with Benefit's or Seliweoff's test, text rums a blue color with iodine reagent.

Which of the following best illustrates the relationship between entities and attributes?
<ol>
<li>the entity CUSTOMER with the attribute PRODUCT</li>
<li>the entity CUSTOMER with the attribute PURCHASE</li>
<li>the entity PRODUCT with the attribute PURCHASE</li>
<li>the entity product with the attribute CUSTOMER</li>
</ol>

a) Reject H0 with a p-value around 0.015
b) Fail to reject H0 with a p-value around 0.18
c) Reject H0 with a p-value around 0.035

STA107H5 Lecture 4:

STA107H5 Lecture 4: STA107H5 Lecture 4 Contigency Table