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Alenkasestr [34]
3 years ago
5

A , B, C , D probability

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
4 0

Answer:

your laptop is nice really

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Consider two medical tests, A and B for a virus. Test A is 90% effective at recognizing the virus when it is present, but has a
Licemer1 [7]

1

P(V|A) is not 0.95. It is opposite:

P(A|V)=0.95

From the text we can also conclude, that

P(A|∼V)=0.1

P(B|V)=0.9

P(B|∼V)=0.05

P(V)=0.01

P(∼V)=0.99

What you need to calculate and compare is P(V|A) and P(V|B)

P(V∩A)=P(A)⋅P(V|A)⇒P(V|A)=P(V∩A)P(A)

P(V∩A) means, that Joe has a virus and it is detected, so

P(V∩A)=P(V)⋅P(A|V)=0.01⋅0.95=0.0095

P(A) is sum of two options: "Joe has virus and it is detected" and "Joe has no virus, but it was mistakenly detected", therefore:

P(A)=P(V)⋅P(A|V)+P(∼V)⋅P(A|∼V)=0.01⋅0.95+0.99⋅0.1=0.1085

7 0
3 years ago
Hurry plz what are each angles
AURORKA [14]

A.8,B.2,C.6

Step-by-step explanation:

because

X=A is Z add b is 8

8 0
3 years ago
Convert the decimal to a percent. 0.007
Tanya [424]
To convert a decimal to a percent simply just move the decimal point two places to the right and add the percent sign;
0.007 = 0.7%
Hope that helps:D
3 0
3 years ago
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Ordered Pairs Please <br> X=2
Sladkaya [172]

(2, 0) (2, 7) assuming that Y can equal anything.

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Write a compound inequality to represent all of the numbers between -4 and 6.
svetlana [45]
-4<x<6 would be the compound inequality
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3 years ago
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