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
GaryK [48]
3 years ago
8

A recent study investigated whether renowned violinists were able to classify the age of a violin. In the study, violins constru

cted before 1900 and violins constructed after 2010 were used. The violinists played each violin and were asked to classify the violin as old (constructed before 1900) or new (constructed after 2010). The responses are shown in the following table.
Which of the following statements is supported by the results in the table?
1.)The proportion of all new violins that are correctly classified is equal to the proportion of all old violins that are correctly classified.
2.)The proportion of all new violins that are incorrectly classified is equal to the proportion of all old violins that are correctly classified.
3.)The proportion of all incorrectly classified violins that are old is equal to the proportion of all correctly classified violins that are new.
4.)The proportion of all incorrectly classified violins that are new is equal to the proportion of all correctly classified violins that are new.
5.)The proportion of all correctly classified violins that are old is equal to the proportion of all new violins that are incorrectly classified.

Mathematics
1 answer:
nignag [31]3 years ago
3 0

Answer:

The proportion of all correctly classified violins that are old is equal to the proportion of all new violins that are incorrectly classified.

Step-by-step explanation:

You might be interested in
Jason purchased a pack of game cards that was on sale for 13% off. The sales tax in his county is 8%. Let y represent the origin
belka [17]

Answer:b

Step-by-step explanation:

7 0
3 years ago
Calculate the area of a circle whose diameter is 7cm.​
Tema [17]

Answer:

49π (or ~154) cm²

Step-by-step explanation:

A = area

A = πr²

r = radius

r = 7

A = π(7)²

= 49π

= 153.938040026 → 154 cm²

4 0
2 years ago
A club logo is made from a square and a trapezium.
Viktor [21]

Answer:

hi im from another country see ya ... your country is amazing

Step-by-step explanation:

4 0
3 years ago
Identify the reference angle
ser-zykov [4K]

Answer:

Below in bold.

Step-by-step explanation:

300 degrees - reference angle is |360 - 300 |= 60 degrees

225 = 225 - 180 = 45 degrees

480 = 480 - 360 = 120 so it is 180 - 120 = 60 degrees.

-210 = |-210 + 180| = 30 degrees.

7 0
3 years ago
Gabriela's monthly take-home pay is $2800, and her monthly rent is $700. If both her monthly take-home pay and her rent increase
ruslelena [56]
Gabriela spends about 30% of her take home pay on rent.
5 0
3 years ago
Read 2 more answers
Other questions:
  • Suppose the circumference of a circle is 3π, what is its diameter?
    7·1 answer
  • A holiday costs £1200. Work out the price after a 7% discount.
    13·1 answer
  • A CD player is on sale for $90 at an electronics store. If the original price was $125, what was the percent of discount
    6·1 answer
  • FAST YOU ANSWER FIRST YOU GET FREE BRAINLIEST
    6·2 answers
  • If your dad picks your nose and he takes out two boogies and eats one boogy, how many boogies does he have left ;) btw ya'll sho
    11·2 answers
  • What makes a function 1-to-1
    12·1 answer
  • The library is 4 miles from the post office. How many yards is the library from the post office? The library is yards from the p
    11·2 answers
  • What is the product?
    10·1 answer
  • What is 4 times 2. Will give brainliest HELPPPPPPPPPPPPPPPPPPPPPPPp
    13·2 answers
  • PLEASE HELP, WILL GIVE BRAINLEST!!!
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!