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Rudik [331]
3 years ago
8

Please help and explain.

Mathematics
1 answer:
Rashid [163]3 years ago
5 0

Answer:

-3/2

Step-by-step explanation:

Use formula (y2 - y1)/(x2 - x1)

Take points (-8, 4) and (-6, 1)

Use the formula:

y2 = 1

y1 = 4

x2 = -6

x1 = -8

(1 - 4)/(-6 - (-8))

= -3/(-6 + 8)

= -3/2

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Vedmedyk [2.9K]

Answer:

Hence, the probability of a Negative test is P(T^C)=0.5904.

Step-by-step explanation:

(a)

Let D= Drug user and T= Test positive

Probability of drug users P(D)=36\%=0.36

                                    P(\frac{T}{D})=96\%=0.96

                                   P(\frac{T^c}{D^c})=90\%=0.90

(b)

Find the Probability of a Negative test,

     P(T^C)=P(\frac{T^C}{D^C})\cdot P(D^C)+P(\frac{T^C}{D})\cdot P(D)

\Rightarrow P(T^C)=0.9\cdot(1-0.36)+(1-0.96)\cdot 0.36

\Rightarrow P(T^C)=0.9\cdot 0.64+0.04\cdot 0.36

\Rightarrow P(T^C)=0.576+0.0144

\Rightarrow P(T^C)=0.5904

4 0
3 years ago
Select True or False.
NISA [10]

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3 0
3 years ago
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Step-by-step explanation:

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6 0
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ryzh [129]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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