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3 years ago

Which number represents the mode of the data?

Mathematics

2 answers:

Kisachek [45]3 years ago

6 0

Hello!

The mode is the number that appears the most in a data set. As you can see, 200 appears the most, so our mode is 200.

I hope this helps!

satela [25.4K]3 years ago

4 0

Answer: 200

Step-by-step explanation:

In the given picture we have a dot-plot representing the number of people.

We know that the mode of a data is the value which has the largest frequency.

From the given sot plot, the number 200 has the largest number of dots as 6.

Therefore , the number with largest frequency = 200

Therefore, the mode of the given data : 200

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Answer:

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2 years ago

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elena55 [62]

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3 years ago

Find the missing probability. P(B)=720,P(A|B)=14 ,P(A∩B)=?

Ivan

Answer:

7/80

Step-by-step explanation:

Given that: P(B) = 7 / 20, P(A|B)= 1 / 4

Bayes theorem is used to mathematically represent the conditional probability of an event A given B. According to Bayes theorem:

$P(A|B)=\frac{P(A \cap B)}{P(B)}$

Where P(B) is the probability of event B occurring, P(A ∩ B) is the probability of event A and event B occurring and P(A|B) is the probability of event A occurring given event B.

$P(A|B)=\frac{P(A \cap B)}{P(B)}\\\\P(A \cap B)=P(A|B)*P(B)\\\\Substituting:\\\\P(A \cap B)=1/4*7/20=7/80\\\\P(A \cap B)=7/80$

6 0

3 years ago

Find the sum of a finite geometric sequence from n=1 to n=8, using the expression -2(3)^n-1

MissTica

$\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}
\end{cases}
\\\\\\
\sum\limits_{n=1}^{8}~-2(3)^{n-1}~~
\begin{cases}
n=8\\
a_1=-2\\
r=3
\end{cases}\implies S_8=-2\left( \cfrac{1-3^8}{1-3} \right)
\\\\\\
S_8=\underline{-2}\left( \cfrac{1-6561}{\underline{-2}} \right)\implies s_8=1-6561\implies S_8=-6560$

8 0

3 years ago

Need help please thx you

erma4kov [3.2K]

$72.

20% of 60 is 12

$12 + $60 = $72

6 0

3 years ago