MATHEMATICS HIGH SCHOOL

Sally needs 2 cups of flour to make her cake. She has 1 cups of flour. How much flour will she need to borrow to have enough to bake her cake?

Answers

Answer 1

Answer: she needs one more cup of flower

Answer 2

Answer:

She needs = 2 - 1 = 1

So, she needs 1 cup of flour more.

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Which statement implies that A and B are independent events?A. P(B|A) = P(B A)

B. P(B|A) = P(B)
P(A)
C. P(B|A) = P(A)

D. P(B|A) = P(B)

Answers

The events $A,B$ are independent if and only if $P(A\cap B)=P(A)\cdot P(B)$ . Under this condition, we have conditional probabilities

$P(A\mid B)=(P(A\cap B))/(P(B))=(P(A)\cdot P(B))/(P(B))=P(A)$

$P(B\mid A)=P(B)$

so the answer is D.

Answer:

The answer is D.

Step-by-step explanation:

Change 12.39% to decimal

Answers

.1239
A decimal represents a value out of a whole, the "." representing everything under the amount of a whole (1). A percentage is essentially the same thing, except the "%" sign basically replaces the decimal. To convert a percentage to a decimal, move the decimal (and if there isn't one, add one to the right of the last number). Then, move that decimal two places to the right. For every empty space you move, add a zero there.

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