Answer:
E None of the above
Step-by-step explanation:
An appropriate proportion is ...

or any of the alternate ways this proportion can be written. None of the offered choices matches this, so it is appropriate to choose ...
None of the above.
Answer: The length and width of a book cover are 28.3 centimeters and 21 centimeters, respectively. Find the range of values for the actual length and width of the book cover. Minimum length = (28.3 - 0.05) cm and maximum length = (28.3 + 0.05) cm, so 28.25 cm ≤ length < 28.35 cm.
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We are asked to solve for:
P (sand | positive)
So, we solve this by:
P (sand | positive) = P (sand) x P (positive for sand)
P (sand | positive) = 0.26 (0.75)
P (sand | positive) = 0.195
The probability is 0.195 or 19.5%.
Gallons per day.......gallons / day.....so u put the gallons over the number of days, then divide
(1/2) / 6 = 1/2 * 1/6 = 1/12 of a gallon per day <==