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3 years ago

Help please explain quick!

Mathematics

2 answers:

nalin [4]3 years ago

6 0

Answer: my Face bone A** tight cheerio from last night hit them with that good good make him want to act right Thank me and brain

List to me

Step-by-step explanation:

Setler [38]3 years ago

6 0

Answer:

Yes

Step-by-step explanation:

$3\frac{1}{6}$ + $5\frac{7}{8}$

When adding two fractions, both denominators must be the same

To do this, multiply $3\frac{1}{6}$ by 4 to make it into $3\frac{4}{24}$

And multiply $5\frac{7}{8}$ by 3 to turn it into $5\frac{21}{24}$

The new equation is:

$3\frac{4}{24}$ + $5\frac{21}{24}$ = 8 $\frac{25}{24}$

Since you can make a whole number from $\frac{25}{24}$ , the number 8 becomes a 9

and the new answers becomes $9\frac{1}{24}$

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Assume a test for a disease has a probability 0.05 of incorrectly identifying an individual as infected (False Positive), and a

Nana76 [90]

Answer:

0.00002 = 0.002% probability of actually having the disease

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Positive test

Event B: Having the disease

Probability of having a positive test:

0.05 of 1 - 0.000001(false positive)

0.99 of 0.000001 positive. So

$P(A) = 0.05*(1 - 0.000001) + 0.99*0.000001 = 0.05000094$

Probability of a positive test and having the disease:

0.99 of 0.000001. So

$P(A \cap B) = 0.99*0.000001 = 9.9 \times 10^{-7}$

What is the probability of actually having the disease

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{9.9 \times 10^{-7}}{0.05000094} = 0.00002$

0.00002 = 0.002% probability of actually having the disease

6 0

3 years ago

What’s the answer???(ONLY ANSWER IF YOU KNOW PLEASE)

arsen [322]

x-4 needs to be greater or equal to zero so

[4, ∞) is the answer

3 0

4 years ago

Ayuda plisssssssssssssssssssssssss

mina [271]

Answer (Respuesta): B

3^2 (9) + 1 = 10 y 2^2 (4) + 1 = 5 por eso 10 - 5 = 5

8 0

3 years ago

Please answer these and find the slope intercept form for each one.

damaskus [11]

1. 5/y=2/3x +3
2. y= 7/1-4
3. y=2/5x8
4. y=-3/4 +1 I could be wrong but I think this is right

5 0

3 years ago

HELP ASAP PLEASE ASAP PLEASE

Alexandra [31]

Answer:

it should be B

mark me as the brainliest please

3 0

3 years ago