STA 103 Lecture 4: Expected Value and Variance

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?

1. the entity CUSTOMER with the attribute PRODUCT
2. the entity CUSTOMER with the attribute PURCHASE
3. the entity PRODUCT with the attribute PURCHASE
4. the entity product with the attribute CUSTOMER

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