Answer:
0.0392 = 3.92% probability that the test result is positive.
Step-by-step explanation:
Probability of a positive test:
95% of 1%(person has the disease)
100 - 97 = 3% of 100 - 1 = 99%(person does not have the disease).
What is the probability that the test result is positive?

0.0392 = 3.92% probability that the test result is positive.
<span> 82+ 90+78+100 = 350
</span><span>Tim wants to have a test average of 90% on all of his 6 tests then
</span>90 x 6 = 540
540 - 350 = 190
<span> the average of Tim’s next two tests = 190 / 2 = 95
answer
</span><span>average of Tim’s next two tests must be 95</span>
Answer:
as a decimal is 1.735.
Step-by-step explanation:
To convert a fraction into a decimal, you first have to put the fraction into simplest form.
1. Simplest form

To do this you must find a number you can equally divide both numbers by.
That number in this situation, 5.

Now you must make this simplest formed fraction into a mixed number.
2. Simplest form into Mixed number

To do this you see how many times the denominator, the bottom number of the fraction, goes into the numerator, the upper part of the fraction.
Since 200 x 2 = 400 and since 400 > 347 this means...
200 goes into 347, once.
Finally, subtract and divide.
Remember put the whole number in front of the mixed number, before the decimal
3. Subtract, divide, decimalize

Hopes this helps you!
Have a good afternoon!
Answer:
381.25 or 381 1/4 feet
Step-by-step explanation:
Area is a rectangle is length times width. so,
30.5*12.5 = 381.25
Answer:
(B). F(X)=2x^2+2x-4
Step-by-step explanation:
-4 means it passes through -4 at the y axis
B and D have -4
graph passes thru x axis at -2 and 1
if you enter x = -2 or 1 in the formula
(B). F(X)=2x^2+2x-4
you get 0
it's not D because when you enter -2 or 1 for x
you don't get 0
you get 8 and -4