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3 years ago

Find the average of these numbers. 23, 24, 27, 25, 26, 23, 21, 32, 29, 30

Mathematics

2 answers:

Pavel [41]3 years ago

6 0

Answer:

Step-by-step explanation:

First, add all the numbers together

23 + 24 + 27 + 25 + 26 + 23 + 21+ 32 + 29 + 30= 260

Then divide by the number of terms there are, in this case 10

260/10= 26

Alex73 [517]3 years ago

6 0

Answer is 26 because

23+24+27+25+26+23+21+32+29+30=260
Divide it by the amount of numbers there is which is 10
260\10=26

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Suppose 2' is a normally distributed random variable with ft = 10.3 and 0 = 3.8. For the following probability,draw an appropria

TiliK225 [7]

GIVEN

The following values are given:

$\begin{gathered} \mu=10.3 \\ \sigma=3.8 \end{gathered}$

SOLUTION

The z-score for the x values 9 and 14 can be calculated using the formula:

$z=\frac{x-\mu}{\sigma}$

For x = 9:

$\begin{gathered} z=\frac{9-10.3}{3.8} \\ z=-0.34 \end{gathered}$

For x = 14:

$\begin{gathered} z=\frac{14-10.3}{3.8} \\ z=0.97 \end{gathered}$

The probability can be calculated as follows:

$P(9\le x\le14)=Pr(-0.34The region that represents the solution is shown below:Therefore, the probability is given to be:[tex]P(9\le x\le14)=0.4671$

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