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4 years ago

6

What are some advantages of displaying the relationship between two quantities using a qualitative graph?

1 answer:

leonid [27]4 years ago

3 0

Hi, thank you for posting your question here at Brainly.

Qualitative graphs are those that show the relationship between two quantities without having numerical values in it. The advantage is that, it simply shows the general trend of the effect. When you experiment on these quantities, then you already have an idea of what the graph may look like. This could validy your results.

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According to national data, 5.1% of burglaries are cleared with arrests. A new detective is assigned to six different burglaries

blagie [28]

Answer:

26.95% probability that at least one of them is cleared with an arrest

Step-by-step explanation:

For each burglary, there are only two possible outcomes. Either it is cleared, or it is not. The probability of a burglary being cleared is independent of other burglaries. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

5.1% of burglaries are cleared with arrests.

This means that $p = 0.051$

A new detective is assigned to six different burglaries.

This means that $n = 6$

What is the probability that at least one of them is cleared with an arrest?

Either none are cleared, or at least one is. The sum of the probabilities of these events is 100% = 1. So

$P(X = 0) + P(X \geq 1) = 1$

We want $P(X \geq 1)$

Then

$P(X \geq 1) = 1 - P(X = 0)$

In which

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 0) = C_{6,0}.(0.051)^{0}.(0.949)^{6} = 0.7305$

$P(X \geq 1) = 1 - P(X = 0) = 1 - 0.7305 = 0.2695$

26.95% probability that at least one of them is cleared with an arrest

8 0

3 years ago

7th grade math help pls i've had to redo this question 3 times cause my teacher.

sasho [114]

Answer:

neon: 0 percent change oxide: -2 percent change copper: 2 percent change tin: 0 percent change

Step-by-step explanation:

Neon: -10+10=0

Oxide: -10+8=-2

Copper: -27+29=2

Tin: -50+50=0

Hope this helps

8 0

2 years ago

Macy says that any time the equations in a system have the same y-intercept the system has infinitely many solutions

Dmitry_Shevchenko [17]

Answer:

always

Step-by-step explanation:

6 0

3 years ago

Help help help help pls!

tensa zangetsu [6.8K]

6/25 is your answer because you just add them up and take the 6

3 0

3 years ago

Read 2 more answers

A way of expressing a composite number as a product of its prime factors is called?

Anika [276]

It’s called factoring.

6 0

3 years ago