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r-ruslan [8.4K]

4 years ago

15

If two angles of one triangle are equal to two angles of another triangle, then the triangles are similar because of the _______

.
A-SSS
B-ASA
C-AAA
D-SAS

1 answer:

3241004551 [841]4 years ago

7 0

I think it's sss or asa

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11. 23x2, 6х<br> What is the greatest common factor

Vaselesa [24]

Answer: x

Step-by-step explanation:

You cant factor 6 out of 23, but you can factor out an 'x' because they both share it

7 0

3 years ago

The true average diameter of ball bearings of a certain type is supposed to be 0.05 in. A one-sample t-test will be carried out

satela [25.4K]

Answer:

a) H0: $\mu \leq \mu_o$

H1: $\mu > \mu_o$

n = 13 represent the sample size

$t = 1.6$ represent the calculated statistic

The degrees of freedom are given by:

$df = n-1 = 13-1=12$

We can calculathe the p value with this formula:

$p_v = P(t_{12} >1.6) = 0.068$

Since $p_v >\alpha$ we fail to reject the null hypothesis on this case at 5% of significance.

b) H0: $\mu \geq \mu_o$

H1: $\mu < \mu_o$

n = 13 represent the sample size

$t = -1.6$ represent the calculated statistic

The degrees of freedom are given by:

$df = n-1 = 13-1=12$

We can calculathe the p value with this formula:

$p_v = P(t_{12}$

Since $p_v >\alpha$ we fail to reject the null hypothesis on this case at 5% of significance.

c) H0: $\mu \geq \mu_o$

H1: $\mu < \mu_o$

n = 25 represent the sample size

$t = -2.6$ represent the calculated statistic

The degrees of freedom are given by:

$df = n-1 = 25-1=24$

We can calculathe the p value with this formula:

$p_v = P(t_{24}$

Since $p_v$ we can reject the null hypothesis on this case at 1% of significance.

Step-by-step explanation:

Part a

For this case we assume that we are testing the following system of hypothesis

H0: $\mu \leq \mu_o$

H1: $\mu > \mu_o$

n = 13 represent the sample size

$t = 1.6$ represent the calculated statistic

The degrees of freedom are given by:

$df = n-1 = 13-1=12$

We can calculathe the p value with this formula:

$p_v = P(t_{12} >1.6) = 0.068$

Since $p_v >\alpha$ we fail to reject the null hypothesis on this case at 5% of significance.

Part b

For this case we assume that we are testing the following system of hypothesis

H0: $\mu \geq \mu_o$

H1: $\mu < \mu_o$

n = 13 represent the sample size

$t = -1.6$ represent the calculated statistic

The degrees of freedom are given by:

$df = n-1 = 13-1=12$

We can calculathe the p value with this formula:

$p_v = P(t_{12}$

Since $p_v >\alpha$ we fail to reject the null hypothesis on this case at 5% of significance.

Part c

For this case we assume that we are testing the following system of hypothesis

H0: $\mu \geq \mu_o$

H1: $\mu < \mu_o$

n = 25 represent the sample size

$t = -2.6$ represent the calculated statistic

The degrees of freedom are given by:

$df = n-1 = 25-1=24$

We can calculathe the p value with this formula:

$p_v = P(t_{24}$

Since $p_v$ we can reject the null hypothesis on this case at 1% of significance.

8 0

3 years ago

According to a college survey, 55% of all students work full time. Find the standard deviation for the number of students who wo

e-lub [12.9K]

Answer:

The standard deviation for the number of students who work full time = 8.38

Step-by-step explanation:

Given data

Sample size n = 284

No. of students work full time is P = 55 % = 0.55

No. of students who not work full time is Q = 100- 55 % = 45 % = 0.45

The standard deviation is given by

$S.D. = \sqrt{nPQ}$

Put all the values in above equation we get

$S.D. = \sqrt{(284)(0.55)(0.45)}$

S.D. = 8.38

This is the standard deviation for the number of students who work full time.

4 0

3 years ago

The sum of two numbers is 51. The larger number is 7 more than the smaller number what are the numbers

Veseljchak [2.6K]

The numbers are 22 and 29

7 0

4 years ago

PLSSS HELP IF YOU TURLY KNOW THISS

vichka [17]

Answer:

$\frac{8.7 + x}{1.1} = 7 \\8.7+x=7\times 1.1\\ 8.7 + x = 7.7 \\ x = 7.7 - 8.7 \\ \boxed{ x = - 1}$

<u>x = -1</u> is the right answer.

4 0

3 years ago

Read 2 more answers