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3 years ago

What percent of all patients are blood type AB? Round your answer to the nearest tenth of percent

Mathematics

1 answer:

Dmitry [639]3 years ago

8 0

Answer:

4.6%

Step-by-step explanation:

Here we are given a table providing us information regarding various blood groups of both males and females. Here from the table we can see that total number of people in the survey is 717. it includes =d all the blood group and both men and women.

Not let us see the number of people with blood groups AB.

From the table we can say that there are 33 people with AB blood grpup. Including men and women.

Hence our data to evaluate the percentage is 33 people with AB blood group among 717 people.

Hence percentage = $\frac{33}{717}$

Percentage = 0.046 approx

Percentage = 4.6

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The mean of 9 observations was found to be 35. Later on, it was

USPshnik [31]

Answer:

its 42

Step-by-step explanation:

315-18+81=378

Correct mean =378/9=42

3 0

2 years ago

what is the probability that a positive integer less than 100 picked at random has all distinct digits

bazaltina [42]

the probability that a positive integer less than 100 picked at random has all distinct digits is 90.

He has 99 positive integers less than 100.

The integers that do not have all distinct digits have the same digit twice.

11, 22, 33, 44, 55, 66, 77, 88, 99

There are 9 integers that do not have distinct digits, therefore there are 99-9 integers that do.

Probability is without a doubt how probable something is to show up. whenever we are uncertain about the final results of an occasion, we can talk about the possibilities of sure outcomes and how probable they are. The analysis of events governed by opportunity is referred to as records.

A chain of moves in which the results are usually unsure. The tossing of a coin, selecting a card from a deck of playing cards, throwing a cube. occasion. it is a single final results of an experiment. Getting a Heads whilst tossing a coin is an event.

Simple probability is the calculation of an outcome or the chance of an event ever taking place. coverage companies use possibility statistics to determine the possibilities of having to pay out a declare. A simple chance is calculated by way of dividing a particular outcome through all of the feasible outcomes.

Learn more about probability here brainly.com/question/24756209

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8 0

2 years ago

Find the error in the problem below

qaws [65]

Answer:

You aren't supposed to add 3k

Step-by-step explanation:

3k is a positve number. So instead of adding you have to subtract to be able to move on. Correct way shown below. Once you get this step wrong your answer will also be wrong. At the end you also need to divide

19-2k= 3k-1

-3k -3k

19-5k= -1

-19 -19

-5k= -20

-5/-5= -20/-5

k=4

7 0

3 years ago

Find the equation for the line that passes through the point (−2,0), and that is perpendicular to the line with the equation 2/3

patriot [66]

Answer:

y = 3/2 x + 3

Step-by-step explanation:

2/3 x + y = -14/3

y = -2/3 x − 14/3

The slope of this line is -2/3. So the perpendicular slope is the opposite of the inverse:

m = -1 / (-2/3)

m = 3/2

We know the slope of the line and a point on the line, so using point-slope form:

y − 0 = 3/2 (x − (-2))

Simplifying into slope-intercept form:

y = 3/2 (x + 2)

y = 3/2 x + 3

5 0

2 years ago

Hermes says that the opposite of 9 is 9 since

wel

Answer: Hermès is incorrect. The opposite of 9 is -9.

Explanation: In this question, Hermès gives an incorrect answer, claiming that the opposite of 9 is also 9. To find the correct answer, let’s first look at his reasoning. He was right in one thing- to find the opposite of a number, we need to find one that shares the same distance from zero. However, he was wrong in believing that the number had to be exactly the same. To find the opposite number, find the same distance from zero in the opposite direction. In this case, the distance from zero is 9. Go in the opposite direction from zero, 9 times. This would give you an answer of -9. Because of this, the opposite of 9 is -9.

Hope this helps! Comment below for more questions.

3 0

3 years ago