1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
babymother [125]
3 years ago
8

Graphing on a scatter diagram 9/4x+1/2 (-2, -4) (2, 5)

Mathematics
1 answer:
bekas [8.4K]3 years ago
5 0
The does this differ from the original points is -32.5
You might be interested in
• A researcher claims that less than 40% of U.S. cell phone owners use their phone for most of their online browsing. In a rando
antiseptic1488 [7]

Answer:

We failed to reject H₀

Z > -1.645

-1.84 > -1.645

We failed to reject H₀

p > α

0.03 > 0.01

We do not have significant evidence at a 1% significance level to claim that less than 40% of U.S. cell phone owners use their phones for most of their online browsing.

Step-by-step explanation:

Set up hypotheses:

Null hypotheses = H₀: p = 0.40

Alternate hypotheses = H₁: p < 0.40

Determine the level of significance and Z-score:

Given level of significance = 1% = 0.01

Since it is a lower tailed test,

Z-score = -2.33 (lower tailed)

Determine type of test:

Since the alternate hypothesis states that less than 40% of U.S. cell phone owners use their phone for most of their online browsing, therefore we will use a lower tailed test.

Select the test statistic:  

Since the sample size is quite large (n > 30) therefore, we will use Z-distribution.

Set up decision rule:

Since it is a lower tailed test, using a Z statistic at a significance level of 1%

We Reject H₀ if Z < -1.645

We Reject H₀ if p ≤ α

Compute the test statistic:

$ Z =  \frac{\hat{p} - p}{ \sqrt{\frac{p(1-p)}{n} }}  $

$ Z =  \frac{0.31 - 0.40}{ \sqrt{\frac{0.40(1-0.40)}{100} }}  $

$ Z =  \frac{- 0.09}{ 0.048989 }  $

Z = - 1.84

From the z-table, the p-value corresponding to the test statistic -1.84 is

p = 0.03288

Conclusion:

We failed to reject H₀

Z > -1.645

-1.84 > -1.645

We failed to reject H₀

p >  α

0.03 > 0.01

We do not have significant evidence at a 1% significance level to claim that less than 40% of U.S. cell phone owners use their phones for most of their online browsing.

8 0
3 years ago
Write the equation of a line perpendicular to y= 2x+ 2 that passes through the point (-1, -7).
Nataly [62]

Answer:

all work is shown and pictured

5 0
3 years ago
**TIMED**
azamat
Coterminal angles are found by adding/subtracting 2\pi or 360, so D.
6 0
3 years ago
Read 2 more answers
Find the distance between 2-3i and 9+21i<br> =[?]
aev [14]

Answer:

y5ntyne5yn64n64n

Step-by-step explanation:

5 0
2 years ago
Plz complete the table.
Tresset [83]

Answer:

32

Step-by-step explanation:

divide 1320 by 8 to see how many feet per minute and then divide that number by 5,280 ft to see your final  answer.  

3 0
2 years ago
Other questions:
  • Order 3/2, 5/8, 9/4, 1 &amp; 7/8 from least to greatest
    9·1 answer
  • Which two segments have the same length
    6·2 answers
  • I need help guys! So i can pass the 8th grade to go to 9th! I have to turn this in in a hour please help me!
    8·2 answers
  • How are 4t and 3 divided by 2 alike and different
    5·1 answer
  • An arithmetic series is represented by the equation S24 = 2-6+058. Which of the following is true?
    8·2 answers
  • Which expression is equivalent to the expression for the perimeter of the larger garden. Select all the apply.
    14·1 answer
  • The function g(x) = f(x + 1) + 6. Which of the following is true about the graph of g(x).
    12·1 answer
  • Which number is less than -3? *<br> 0<br> 2<br> -2<br> -4
    11·2 answers
  • PLS HELP I WILL GIVE BRAINLIEST
    11·1 answer
  • On the grid draw the graph of y= 1- 3x for values of x from -2 to 3
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!