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
Trava [24]
3 years ago
9

The kingston review (kr) is testing a new gmat question. the kr wants to determine what proportion of test-takers will answer th

e question correctly, in order to assess its difficulty. in a random sample of 144 test-takers, 75% answered the question correctly. what is the 95% confidence interval for the proportion of test-takers answering the question correctly?
Mathematics
1 answer:
LenKa [72]3 years ago
7 0
[67.9 %, 82.1 %] is the answer when it has 95% confidence interval for the proportion of test-takers who answered the question correctly. So the 95% confidence interval for the proportion of test takers is [67.9 %, 82.1 %] who answered the question correctly, In order to random sample of 144 test-takers and 75% answered question correctly. So the answer in this question is [67.9 %, 82.1 %].
You might be interested in
Ms. Chin asked her students to use the properties of multiplication to rewrite the expression (negative 5) (Negative StartFracti
natali 33 [55]

Answer:

three

Step-by-step explanation:

hope it hlps

3 0
3 years ago
Read 2 more answers
Someone help me please
Ludmilka [50]

Answer:

I think the answer may be D. I am not certain but I would choose D.

Step-by-step explanation:

6 0
3 years ago
Please help (Determine the slope of the line. Show the work you did to find the slope.)
Scrat [10]

Answer:

slope of line is 3/5

Step-by-step explanation:

slope is the ratio of the change in the y-values over the change in the x-values

in this problem, if you go from pt A to pt B, you rise by 3 and go to the right by 5, thus slope of 3/5

if you go from pt B to pt C, you rise by 6 and go to the right by 10

however, 6/10 can be reduced to 3/5

if you start at point (0,2) and rise by 3 and run to the right by 5 you are at point (5,5)

change in y-values is 5-2 or 3

change in x-values is 5-0 or 5

(5-2)/(5-0) = 3/5

3 0
3 years ago
If your starting salary is 40,000 and you receive a 3% increase at the end of every year, what is the total amount, in dollars,
Molodets [167]

Answer:

$64188.26

Step-by-step explanation:

→ Calculate the increase in decimal multiplier

( 100 + 3 ) ÷ 100 = 1.03

→ Multiply this by the salary raised to the power of 16

40000 × ( 1.03 )¹⁶

→ Solve

$64188.26

5 0
3 years ago
3. Use trigonometric ratios to solve for the variable. Show your work. Round lengths to the nearest tenth and angles to the near
Lynna [10]

Answer:

x = 3.4

Step-by-step explanation:

recall that for a right angle with an internal angle θ,

cos θ = adjacent length / hypotenuse

in our case,

θ = 55 deg

adjacent length = x units

hypotenuse = 6 units

substitute these into the formula above

cos θ = adjacent length / hypotenuse

cos 55 = x / 6    (multiply both sides by 6)

x = 6 cos 55 (use calculator)

x = 3.4415

x = 3.4  (rounded to nearest tenth)

8 0
3 years ago
Other questions:
  • 2. You have a set of three similar gift boxes. Each box is a rectangular prism. The large box has 15-cm base edges. The medium b
    11·1 answer
  • Why is the gcf of two numbers is sometimes one
    14·1 answer
  • Percent of change in 15 to 33
    8·1 answer
  • a)narysuj lustrzane odbicie równoległoboku względem czterech zaznaczonych linii ustawienia lusterka. b) a teraz odbij symetryczn
    8·1 answer
  • Find the value of x if B is between A and C, AB = 4x – 9, BC = 3x + 5 and AC = 17.
    7·2 answers
  • Find the missing number in this proportion 63/21=9/?
    8·1 answer
  • Find the measure of b
    13·2 answers
  • What is the value of x?
    9·1 answer
  • 3. Use the following diagram to solve for x.
    11·1 answer
  • The manufacturing engineers of a renowned pizza brand reduced the manufacturing cost of a pizza delivery box by optimising the s
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!