Glen is being tested for a contagious disease. The test is 99% accurate and in actuality 0.1% of the population has the disease. Should Glen demand to be retested or start treatment right away? Explain.

Answers

Answer 1

Answer: I think Glen should demand to be rested than start treatment right away. Although the test is 99% accurate and only .1% of the population has the disease, there is no assurance that he will not get included in the .1% of the population. Also, he should be retested for the sake of reliability.

Answer 2

Answer:

Answer:

The answer is B. Glen should demand to be retested as the probability that he has the disease given he test positive is only 0.08

Step-by-step explanation:

You are looking for a conditional probability. P(has disease given he tested positive).

This probability is 9 /109 = 0.082. Which means that there is only an 8% chance that he actually has the disease for a test that is 99% accurate.

Therefore, Glen should demand to be retested as the probability that he has the disease given he tested positive is only 0.08

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6/(x+1)-5/2=6/(3x+3)

Answers

If you would like to calculate 6/(x+1)-5/2=6/(3x+3), you can do this using the following steps:

6/(x+1)-5/2=6/(3x+3)
6/(x+1)-5/2=6/(3(x+1)) /*(x+1)
6 - 5/2 * (x+1) = 6/3
6 - 2 = 5/2 * (x+1)
4 = 5/2 * (x+1) /*2/5
4 * 2/5 = x + 1
8/5 - 1 = x
x = 8/5 - 5/5 = 3/5

The correct result would be 3/5.

Your round-trip drive to school is 3 7/10 miles. How many miles do you drive to and from school in 5 days?

Answers

Answer:

In 5 days, you drive 18.5 miles to and from school.

Step-by-step explanation:

The question tells us that your round-trip drive to school is 3 7/10 miles, wich means that your round-trip drive to school is 3.7 miles, because

$3+(7)/(10)=(37)/(10)=3.7$

Now, we just have to multiply 3.7 miles per round-trip drive, times 5 days of round-trip drive to and from school, and

$3.7*5=(37)/(2)=18.5$

This means that in 5 days, you drive 18.5 miles to and from school.

you multiply 3 7/10 by 5 and you get 18.5 turned in to a inproperfraction is 37/2 as a properfraction it is 18 1/2

If 4x - 3 = 5, then x=

Answers

Answer:

x=2

Step-by-step explanation:

4x-3=5

4x-3 plus 3 and 5 plus 3

4x=8

Divide both sides by 4

x=2

Answer:

X = 2

Step-by-step explanation:

This is how I got the answer:

Move constant to the right-hand + change signs

4x = 5 + 3

add

4x =5 + 3

4x = 8

Divide by both sides to get the answer of;

X = 2

A bus travels through the city and stops every mile. The first stop on the route is the 8th Avenue Coffee Shop, which is located 15 blocks east and 22 blocks north of the central station. The last stop on the route is the airport, which is located 25 blocks west and 36 blocks south of the central station. A student calculated the middle stop along the bus route to be located 20 blocks east and 29 blocks north of the central station. Evaluate the student’s answer.

Answers

Answer:Student calculation is incorrect

Step-by-step explanation :

Given the First stop is the 8th Avenue Coffee Shop, which is located 15 Blocks east and 22 blocks north of the central station

and the last stop on the route is 25 blocks west and 36 blocks south of the central station .

Lets take the First stop co-ordinates be (15,22)

and last stop co-ordinates (-25,-30)

So there mid-point is $x=(x_1+x_2)/(2)$

$y=(y_1+y_2)/(2)$

$x=(15-25)/(2)=-5$

$y=(22-30)/(2)=-4$

Therefore middle stop is 5 blocks west and 4 blocks South

Thus calculated the middle stop incorrectly.

The student apparently added numbers without taking into account direction. They seem to have added 15 and 25 and divided by 2 to get the horizontal component of the middle stop when they should have added 15 and -25 and divided by 2. A similar mistake was made on determining the vertical component. The middle stop should have been calculated as 5 blocks west and 7 blocks south of the central station. So your answer is C.

a square with side length s has an area of 324 square centimeters. this equation shows the area of the square: s^2= 324. what is the side length of the square in centimeters?

Answers

If the square has the side s, and area A=324
then s=√324=18
the side of the square is 18cm

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Answers

It is not true.

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