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saveliy_v [14]
2 years ago
9

What is the probability of picking a purple marble and rolling an odd number?

Mathematics
2 answers:
Lostsunrise [7]2 years ago
6 0
5/11 for the marble and ½ for dice
Vaselesa [24]2 years ago
4 0

Answer:

5/11

Step-by-step explanation:

I hope this helps a bit.

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Grumpy Corp drug tests all of the recent college graduates it hires each year. The drug test currently used correctly determines
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
Janey's height from age 7 to 12 can be modeled by the function h(t)=45+8/5t, where h(t) is Janey's height in inches and t is tim
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Write the ratio as a fraction in the fourth column of the table.

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Consider vectors u and v, where u = (1, -1) and v = (1, 1). What is the measure of the angle between the vectors?
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Answer:

I believe the answer is C. 90 degrees

Step-by-step explanation:

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