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jekas [21]
4 years ago
8

PLEASE HELP ME I BEG SOMEONE PLS

Mathematics
1 answer:
Novosadov [1.4K]4 years ago
8 0

Answer:

The first one

Step-by-step explanation:

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The probability that all four test subjects had a true negative test result when they are randomly selected without replacement
algol13

The solution would be like this for this specific problem:

Given:

                                                                                                                No (Did Not Lie)                Yes (Lied)

Positive Test Result                                                                                         10                           29

(Positive test indicated that the subject lied.)                      (false positive)                  (true positive)

Negative test result                                                                                         66                           18

(Polygraph test indicated that the subject did not lie.)     (true negative)                  (false negative)

 

Find:


The probability that all four test subjects had a true negative test result when they are randomly selected without replacement.

Formula:

(66/123) x (65/122) x (64/121) x (63/120) = 0.0793864272

 

Therefore, when they are randomly selected without replacement, the <span>probability that all four test subjects had a true negative test result is 0.079</span>.

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3 years ago
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(-2,-4)

x=-2, y= -4

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3 years ago
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At a rate of 4.25% over 24 months. If he pays $51.00 in interest, what was the original amount of his loan?
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I = PRT.....rearrange.....P = I / RT

P = 51 / (0.0425* 2).....I used 2 because 24 months = 2 yrs
P = 51 / 0.085
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4 years ago
Brenda records 76 songs on 4 albums write as a rate
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Answer:

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Step-by-step explanation:

We have been given that Carter has a toy ire truck that sprays like the real thing! Carter's fire truck stores 6 liters of water inside its tank. All of the water in the tank is drained out in 3 minutes. We are asked to find the number of millimeters drained per minute.

First of all, we will convert 6 liters to milliliters.

1 liter = 1000 ml.

6 liters = 6*1000 ml = 6000 ml.

Now we will divide total milliliters by total time as:

\text{Milliliters of water drained per minute}=\frac{6000}{3}

\text{Milliliters of water drained per minute}=2000

Therefore, Carter's fire truck drain 2000 milliliters of water each minute.

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