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3 years ago

15

How many ice cream cones does it take to make seventy ice cream pints (assuming each ice cream cone is the average American size

)

1 answer:

Elina [12.6K]3 years ago

5 0

Is this for the game or what??

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If A and B are independent events with P(A) = .5 and P(B) = .2, find the following:a) P(A U B)b) P(A^c ? B^c)c) P(A^c U B^c)**No

Effectus [21]

If A and B are independent, then $P(A\cap B)=P(A)P(B)$ .

a.

$P(A\cup B)=P(A)+P(B)-P(A\cap B)=P(A)+P(B)-P(A)P(B)$

$P(A\cup B)=0.5+0.2-0.5\cdot0.2$

$\boxed{P(A\cup B)=0.6}$

b. I'm guessing the ? is supposed to stand for intersection. We can use DeMorgan's law for complements here:

$P(A^c\cap B^c)=P(A\cup B)^c=1-P(A\cup B)$

$P(A^c\cap B^c)=1-0.6$

$\boxed{P(A^c\cap B^c)=0.4}$

c. DeMorgan's law can be used here too:

$P(A^c\cup B^c)=P(A\cap B)^c=1-P(A\cap B)=1-P(A)P(B)$

$P(A^c\cup B^c)=1-0.5\cdot0.2$

$\boxed{P(A^c\cup B^c)=0.9}$

4 0

2 years ago

If four pounds of a certain candy cost $10 how many pounds of that candy can be purchased for $12

Mama L [17]

4.8 pounds, set it up as 4 over 10 times x over 12, to find x multiply 4 by 12, and divide by ten. The result is 4.8

3 0

2 years ago

Which of the following describes bias that may arise from the results?

velikii [3]

Answer: I think A
Epian:

8 0

3 years ago

Find the slope of the line

andrey2020 [161]

Answer:

-2/3x

Step-by-step explanation:

To find the slope, you would do rise/run.

To get to one point to the other, you move 2 units down and 3 to the right.

Hope this helps!

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2 years ago

Read 2 more answers

The formula for perimeter of a rectangle is P=2L+2W where L is the length and w is the width. A rectangle has a perimeter of 24

Black_prince [1.1K]

24=2(w+4)+2w=4w+8, subtract 8 from both sides 4w=16, w=4. L=w+4 so l is 8. The dimensions are 8 by 4.

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3 years ago