answer.
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
Ket [755]
2 years ago
10

According to a study done by the Gallup organization, the proportion of Americans who are satisfied with the way things are goin

g in their lives is 0.82.
a. Suppose a random sample of 100 Americans is asked, "Are you satisfied with the way things are going in your life?" Is the response to this question qualitative or quantitative? Explain.
A. The response is qualitative because the responses can be classified based on the characteristic of being satisfied or not.
B. The response is quantitative because the responses can be classified based on the characteristic of being satisfied or not.
C. The response is quantitative because the responses can be measured numerically and tho values added or subtracted, providing meaningful results
D. The response is qualitative because the response can be measured numerically and the value added or subtracted, providing meaningful results.
b. Explain why the sample proportion, p, is a random variable. What is the source of the variability?
c. Describe the sampling distribution of p, the proportion of Americans who are satisfied with the way things are going in their life. Be sure to verify the model requirements.
d. In the sample obtained in part (a), what is the probability the proportion who are satisfied with the way things are going in their life exceeds 0.85?
e. Would it be unusual for a survey of 100 Americans to reveal that 75 or fewer are satisfied with the way things are going in their life? Why?
Mathematics
1 answer:
AnnyKZ [126]2 years ago
3 0

Answer:

B                                                            did you know that honey never expires                                                                              

You might be interested in
Metal mercury at room temperature is a liquid. Its melting point is -39.3°C. The freezing point of alcohol is-114.6°C. How much
Gelneren [198K]

Answer:

-75.3

Step-by-step explanation:

-114.6 - (-39.3) = -75.3

8 0
2 years ago
4. An airplane is traveling at a speed of 724 km/hr at a direction of 30 degrees. The wind is blowing from the west at 32 km/hr.
tankabanditka [31]

Answer:

28.8 degrees bearing above from the east.

Step-by-step explanation:

Given :

Direction =30 degrees

Speed =724 km/hr

Suppose x1, y1 be the velocity bearing in the east at the 30 degree

so x1 velocity = 724 cos 30 degree

y1 velocity = 724 sin 30  degree

As mention in the question the wind speed adding another 32 to the x1 speed.

Hence the resultant speed  is

velx1= 659\\vely1 = 362

The \ speed\  is\ determined \ by \ following\ formula\ \\ \sqrt{vel y1^2+ velx1^2} \\= \sqrt{659^2+362^2}\\=751.9 km/hr\\therefore\  \ the\  direction is\  arctan \\= vely1/ velx1 \\= arctan( 362/659) \ =28.8\  degrees\ above\ from\  the\  east

8 0
2 years ago
Which of the following properly describe “slope”? Select all that apply.
Lisa [10]
There r many ways to represent slope:

Rise / run
x2-x1 over y2-y1
Ratio of the change in y (rise) over the change in x (run)
3 0
2 years ago
Read 2 more answers
Simplify 0.2(3b-15c)+6c
NemiM [27]
Let's simplify step-by-step.
<span><span>0.2<span>(<span><span>3b</span>−<span>15c</span></span>)</span></span>+<span>6c
</span></span>Distribute:<span>=<span><span><span><span>(0.2)</span><span>(<span>3b</span>)</span></span>+<span><span>(0.2)</span><span>(<span>−<span>15c</span></span>)</span></span></span>+<span>6c
</span></span></span><span>=<span><span><span><span>0.6b</span>+</span>−<span>3c</span></span>+<span>6c
</span></span></span>Combine Like Terms:
<span>=<span><span><span>0.6b</span>+<span>−<span>3c</span></span></span>+<span>6c
</span></span></span><span>=<span><span>(<span>0.6b</span>)</span>+<span>(<span><span>−<span>3c</span></span>+<span>6c</span></span>)
</span></span></span><span>=<span><span>0.6b</span>+<span>3<span>c</span></span></span></span>
8 0
2 years ago
Read 2 more answers
Describe in detail how you would create a number line with the following points: 1, 3.25, the opposite of 2, and – (–4fraction o
rodikova [14]
 look at the whole numbers and not the tenths and hundreds and stuff.

<span>1, 2, 3.25, and then the fraction </span>
7 0
2 years ago
Read 2 more answers
Other questions:
  • How is (s-t)(s/t) equivalent to (s^2/t) -s
    10·2 answers
  • A rational expression simplifies to 3. The denominator of the original expression is given. Which polynomial is the numerator?
    10·2 answers
  • Kenny is making creamy rice pudding his recipe requires 4 cups of milk he has a quart of milk in his fridge dose he have enough
    11·1 answer
  • A woman who is 64 inches tall has a shoulder width of 16 inches. How tall is a woman who has a shoulder width of 18.5 inches?
    7·1 answer
  • Which of the following shows the prime factorization of 36 using exponential notation?
    6·1 answer
  • All the students in the sixth grade either purchased their lunch or brought their lunch from home on Monday 24% of the students
    9·1 answer
  • Which of the following could be the system of nonlinear inequalities graphed below?
    13·1 answer
  • A point on the rim of a wheel has a linear speed of 33 cm/s. If the radius of the wheel is 50 cm, what is the angular speed of t
    10·1 answer
  • What is the decimal multiplier to decrease by 3.4%?
    14·1 answer
  • :
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!