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
Svetach [21]
3 years ago
15

The safety inspector in a large city wants to estimate the proportion of buildings in the city that are in violation of fire cod

es. A random sample of 35 buildings is chosen for inspection, and 3 of them are found to have fire code violations. Estimate the proportion of buildings in the city that have fire code violations, and find the uncertainty in the estimate.
Mathematics
1 answer:
storchak [24]3 years ago
8 0

Answer:

Check Explanation.

Step-by-step explanation:

The sample will be a representative of the entire build us in the city.

For a sample size 35, 3 have fire code violations, hence, the proportion of houses with fire code violations = (3/35) = 0.0857 = 8.57 %

The uncertainty in the estimate is given in the form of standard error.

Standard error = √[(p(1-p)/n]

n = sample size = 35, p = 0.0857, 1 - p = 0.9143

Standard error of the sample = √(0.0857×0.9143/35) = 0.1616

In terms of the population, (0.1616/35) = 0.00462

Proportion of buildings with fire code violations = (8.57 ± 0.462) %

You might be interested in
Joe has 4/5 as much money as bob. Tim has $50 more than joe. Rita has $150, which is $35 more than bob. How much money does tim
lesantik [10]

Rita = $150

Bob = $150 - $35 = $115    Bob has $115

Joe = $115 divided by 5 = $23      $23 x 4 = $92    Joe Has $92

Tim = Has $50 more then joe, $92 + $50 = $142     Tim has $142

3 0
3 years ago
The equation 3x + 2 = 29 is modeled below.
DanielleElmas [232]

Answer:

Subtract 2 from both sides.

Step-by-step explanation:

Remember to do the opposite of PEMDAS. PEMDAS is the order of operation, and stands for:

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

> Also, note the equal sign, what you do to one side, you do to the other side of the equation.

First step is to subtract 2 from both sides of the equation:

3x + 2 (-2) = 29 (-2)

3x = 29 - 2

3x = 27

The second step is to divide 3 from both sides of the equation:

(3x)/3 = (27)/3

x = 27/3

x = 9

~

7 0
3 years ago
Read 2 more answers
Help me pls thankyouuuuuuu
torisob [31]

Answer: 4\sqrt[3]{4}

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
HELP PLEASE HURRY... 65 POINTS
stepan [7]
B is the answer to your question I remember putting that in my other class
3 0
3 years ago
Read 2 more answers
What is the value of x?<br><br> 16<br> 50<br> 130<br> 164<br> Please hurry !!!
Dmitry_Shevchenko [17]
C) 130 i hope this helps good luck 
6 0
3 years ago
Read 2 more answers
Other questions:
  • kevin and his father have collected1,456 different coinsover the years.They have a coin album that holds 30 coinson a page. If t
    8·2 answers
  • What algebraic expression is 5+3(2x-7)=5+6x-21
    14·1 answer
  • Given a circle with a diameter of 4, which equation expresses π as the ratio of the circumference of a circle to its diameter?
    8·2 answers
  • Find the length of STV in the figure.
    9·1 answer
  • What is the perimeter of the figure shown below? a. 20 ft c. 12 ft b. 6 ft d. 24 ft
    5·2 answers
  • Help me with this and give the correct answer and get 25 points
    7·2 answers
  • I need help with this question
    13·1 answer
  • A boy spends 1/4 of his money on sweets and 1/3 on computer games, What fraction of his money does he not spend
    11·1 answer
  • ?????????????????????????????????????????????????????
    15·2 answers
  • In which number is the value of the digit 5 greater? Write
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!