2 years ago

Can anyone solve this?

1 answer:

4 0

The answer is C. all the savings added up is $450. 1 percent of 3,470 is $34.7. $450/$34.7 is 12.9682997, which rounded up is 13.

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V125BC [204]

We're told that

$P(A)=\dfrac1{200}=0.005\implies P(A^C)=0.995$

$P(B\mid A)=0.7$

$P(B\mid A^C)=0.05$

a. We want to find $P(A\mid B)$ . By definition of conditional probability,

$P(A\mid B)=\dfrac{P(A\cap B)}{P(B)}$

By the law of total probability,

$P(B)=P(B\cap A)+P(B\cap A^C)=P(B\mid A)P(A)+P(B\mid A^C)P(A^C)$

Then

$P(A\mid B)=\dfrac{P(B\mid A)P(A)}{P(B\mid A)P(A)+P(B\mid A^C)P(A^C)}\approx0.0657$

(the first equality is Bayes' theorem)

b. We want to find $P(A^C\mid B^C)$ .

$P(A^C\mid B^C)=\dfrac{P(A^C\cap B^C)}{P(B^C)}=\dfrac{P(B^C\mid A^C)P(A^C)}{1-P(B)}\approx0.9984$

since $P(B^C\mid A^C)=1-P(B\mid A^C)$ .

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3 years ago

Explain why the absolute value equation |3x|+8=5 has no solution.Required to answer. Single line text.

Anettt [7]

Absolute value means the real answer for example |-5| answer is 5
|-6| answer is 6 like that
Your question answer is then 5
Thank you
Hope you understood

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3 years ago

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disa [49]

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3 years ago

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Diano4ka-milaya [45]

Answer:D (straws 2 and 4)

Step-by-step explanation:

The answer is D becuase those two straws intersect at point and create 90° angle

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3 years ago

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