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1 year ago

The median of the numbers is 14. What do you know about x?

Mathematics

1 answer:

Lelu [443]1 year ago

5 0

Answer:

Hope this helped

Step-by-step explanation:

#1. since the median is the middle value, and all of the given values are more or less than 13, x=13

#2. since 14 is now the middle value, x > 14

#3. since 14 is one mode, x must be equal to one of the other numbers

If this problem was difficult, you should review the topics of median and mode

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B - 1 > -17 what does b equal?

Nastasia [14]

Answer:

b > -16

Step-by-step explanation:

The inequality is given as:

b - 1 > -17

To solve this problem, add +1 to both sides of the expression:

b - 1 + 1 > -17 + 1

Now;

b > -16

So, all values for which b is more than -16 satisfy the solution for this problem.

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2 years ago

Write the next Number in this pattern. 10,11,20,21,30,31

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The next (2) numbers are 40 and 41!

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2 years ago

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In a recent survey of 25 voters, 17 favor a new city regulation and 8 oppose it. What is the probability that in a random sample

Rasek [7]

Answer:

$P(X=2)=(6C2)(0.68)^2 (1-0.68)^{6-2}=0.0727$

Step-by-step explanation:

1) Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

2) Solution to the problem

The probability in favor of the regulation based on the recent survey is:

$p = \frac{17}{25}=0.68$

Let X the random variable of interest "Number of favor respondents about the regulation", on this case we now that:

$X \sim Binom(n=6, p=0.68)$

The probability mass function for the Binomial distribution is given as:

$P(X)=(nCx)(p)^x (1-p)^{n-x}$

Where (nCx) means combinatory and it's given by this formula:

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

And we want to find this probability:

$P(X=2)=(6C2)(0.68)^2 (1-0.68)^{6-2}=0.0727$

If we use X= "Number of respondednts opposed to the regulation we got the same answer", but on this case p = 1-0.68=0.32, and we want this probability:

$P(X=4)=(6C4)(0.32)^4 (1-0.32)^{6-4}=0.0727$

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2 years ago

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Here are the outcomes. You could also a tree diagram for this:

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2 years ago

Pleas help me with this

Pavel [41]

I think it is 6/16 because if you add 1/4 with 5/12

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2 years ago

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