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Feliz [49]
3 years ago
5

Find the median and mode(s)of the data set 53,53.5,57,54,54.5,47,55,54.5​

Mathematics
2 answers:
nydimaria [60]3 years ago
6 0
Both mode and median is 54.5

You have to put them in order...

The number in the middle off all the numbers is the median so if you go back n forth crossing off the numbers your left with 54.5

The mode is the number you see the most sooo 54.5
ella [17]3 years ago
4 0

Answer:

the median is the middle number.

and the mode is the number that occurs most.

so if we put everything in order

53, 53.5, 54, 54.5, 54.5, 55, 57

so the mode would be 54.5 cause it occurs twice

and the median would be somewhere in between 54 and 54.5

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The time between calls made to Amazon's customer service is exponentially distributed with a mean of 10 minutes (taken between e
daser333 [38]

Answer:

The probability that the time between the next two calls is between 3 minutes and 7 minutes is 0.2442.

Step-by-step explanation:

Let <em>X</em> = time between calls made to Amazon's customer service.

The average time between calls is, <em>β</em> = 10 minutes.

The random variable <em>X</em> follows an Exponential distribution with parameter \lambda=\frac{1}{\beta}=\frac{1}{10}=0.10

The probability distribution function of <em>X</em> is:

f_{X}(x)=\left \{ {{\lambda e^{-\lambda x};\   x>0}} \atop {0;\ otherwise}} \right.

Compute the probability that the time between the next two calls is between 3 minutes and 7 minutes as follows:

P(3

Thus, the probability that the time between the next two calls is between 3 minutes and 7 minutes is 0.2442.

3 0
3 years ago
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Andrew pays a monthly membership fee of $10 at his gym. Each time he uses the gym, he pays $5. Last month, Andrew spent a total
Grace [21]
11
If you replace the x with 11, the new equation would be 10+5(11)=65. First, multiply 5 and 11, your answer would be 55, then add the ten, you would get 65. Which makes the equation true, because 65=65.
I hope this helps
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3 0
2 years ago
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Use the formula for compound amount:$14,800 at 6% compounded semiannually for 4 years
GalinKa [24]

SOLUTION

Given the question in the question tab, the following are the solution steps to answer the question.

STEP 1: Write the formula for calculating compound amount

A=P(1+\frac{r}{n})^{nt}

where

A = final compounded amount

P = initial principal balance

r = interest rate

n = number of times interest applied per time period

t = number of time periods elapsed

STEP 2: Write the given data

Semiannually means that n will be 2

P=14,800,r=\frac{6}{100}=0.06,n=2,t=4

STEP 3: Calculate the compound amount

\begin{gathered} A=14800(1+\frac{0.06}{2})^{2\times4}\Rightarrow A=14800(1+0.03)^{2\times4} \\ A=14800(1.03)^8 \\ A=14800\times1.266770081 \\ A=\text{\$}18,748.1972 \end{gathered}

Hence, the compounded amount after 4 years is $18,748.1972

6 0
1 year ago
Translate the following verbal statement into algebraic: "Double the sum of a number and three is eighteen"
labwork [276]

Answer:

2(x+3)=18

Step-by-step explanation:

4 0
2 years ago
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Suppose the expression a(b)n models the approximate number of people who visited an aquarium each day since an aquarium opened,
Viefleur [7K]

Answer:

C. There were 6,27 times as many people who visited the aquarium on the seventh day as on the first day.

Explanation:

\displaystyle 1,3^7 = 6,2748517 ≈ 6,27

I am joyous to assist you anytime.

8 0
3 years ago
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