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3 years ago

Which best describes a triangle with side lengths of 6in 8in and 9in

Mathematics

2 answers:

masya89 [10]3 years ago

7 0

The left side because my teacher told me

elena-14-01-66 [18.8K]3 years ago

3 0

Answer:

the leftside

Step-by-step explanation:

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xP(x)00.2510.0520.1530.55Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal pl

Nookie1986 [14]

The Solution:

Given:

Required:

Find the standard deviation of the probability distribution.

Step 1:

Find the expected value of the probability distribution.

$E(x)=\mu=\sum_{i\mathop{=}0}^3x_iP_(x_i)$ $\begin{gathered} \mu=(0\times0.25)+(1\times0.05)+(2\times0.15)+(3\times0.55) \\ \\ \mu=0+0.05+0.30+1.65=2.0 \end{gathered}$

Step 2:

Find the standard deviation.

$Standard\text{ Deviation}=\sqrt{\sum_{i\mathop{=}0}^3(x_i-\mu)^2P_(x_i)}$ $=(0-2)^2(0.25)+(1-2)^2(0.05)+(2-2)^2(0.15)+(3-2)^2(0.55)$ $=4(0.25)+1(0.05)+0(0.15)+1(0.55)$ $=1+0.05+0+0.55=1.60$

Thus, the standard deviation is 1.60

Answer:

1.60

8 0

1 year ago

Please help with math

MAXImum [283]

The last one is correct

6 0

3 years ago

0.0215 has ____ significant figures

shepuryov [24]

Answer:

has 3 significant figures

Step-by-step explanation:

because zeros are counted if they are between the numbers

7 0

3 years ago

Read 2 more answers

Evaluate the following at select the best answer 8 (3 exponent seven) minus (6 + 4) 2

photoshop1234 [79]

Answer:

17476

Step-by-step explanation:

8( $3^{7}$ )-(6+4)2

8(2187)-(10)2

17496-20

17476

3 0

3 years ago

Bottles of grape soda are assumed to contain 300 milliliters of soda. There is some variation from bottle to bottle because the

Pie

Answer:

Because the p-value of 0.0828 is greater than the significance level of 0.05, we fail to reject the null hypothesis. We conclude the data provide convincing evidence that the mean amount of soda in all the bottles filled that day does not differ from the target value of 300 milliliters.

Step-by-step explanation:

The null hypothesis is that the sample mean does not differ from the population mean.

If p < α, we reject the null hypothesis.

If p > α, we do not reject the null hypothesis.

p values are between 0 and 1.

4 0

3 years ago

Which best describes a triangle with side lengths of 6in 8in and 9in ​

Which best describes a triangle with side lengths of 6in 8in and 9in