a cookie recipe calls for 3 and 1/4 cup of flour the recipe makes three dozen cookies how much flour is needed to make 144 cooki
2 answers:
Answer:
13 cups
Step-by-step explanation:
A recipe of cookie requires amount of flour = cups
or amount of flour required = cups
Now 3 dozens of cookies or 36 cookies require flour = cups
So 1 cookie will require flour =
Therefore, 144 cookies will require flour = = 13 cups
13 cups of flour will be required to prepare 144 cookies.
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Answer:
Step-by-step explanation:
Two events are independent of each other, this is called Compound Probability. Classical example is if two coins are filped, what is the probability of getting two heads in a row.?
Answer: each has 50% probability because there are two states only, either H or T. since we have two coins the probability of getting two heads in row is the product of obtaining heads for each individual coin (which is independent of each other). or is ×
=
= 25%. (Notice!).
Back to our problem, now here we have 3 paint brands and one of them is the right paint brand and two of them are not correct brands. so the prabablity that the customer has picked not correct brand is and her husband has not picked correct brand is also
, since two probabilities are compound probabilities i.e indepandant of each other the probablity that both woman and her husband fail get correct brand is the product of the two and is =
×
=
.