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
Ahat [919]
3 years ago
10

It has been reported that men are more likely than women to participate in online auctions. In a recent​ survey, 65% of responde

nts reported that they had participated in an online auction. In this same​ survey, 45% of respondents were men and​ 38% were men who had participated in online auctions. What is the probability that a respondent had participated in an online auction given that he is​ male?
Mathematics
1 answer:
vivado [14]3 years ago
8 0

Answer:

0.84 or 84%

Step-by-step explanation:

Let 'n' be number of people who took the survey, the number of men who answered the survey is 0.45n. The number of men who answered the survey and have participated in online auctions is 0.38n. Therefore, choosing from the population of men who took the survey (0.45n) the probability that a respondent had participated in an online auction is:

P =\frac{0.38n}{0.45n}\\P=0.84

You might be interested in
N a classroom of 33 students, the ratio of boys to girls is 3 : 8. How many boys are in the class?
tiny-mole [99]

3 boys + 8 girls = 11 students

3 boys/ 11 students = x boys /33 students

using cross products

3 * 33 = x*11

divide by 11

99/11 = x

x=9

There are 9 boys

4 0
3 years ago
-2x+3y=-12 2x+y=4 After adding the two equations to eliminate x you are left with 4y=-8 solve for y
natita [175]

-2x+3y=-12 2x+y=4

add together

4y = -8

divide by 4

y = -2


3 0
3 years ago
Read 2 more answers
If coefficients aren’t equal or opposite, you can do a little manipulation so that you can still use the elimination
Neporo4naja [7]

Answer: True

Step-by-step explanation

A-p-e-x

5 0
3 years ago
Is math a good subject?
tigry1 [53]
Yeah it’s My favorite I’m really excellent in Math That’s My 1st favorite subject
6 0
3 years ago
Solve -12 = z ÷ 3 for z.
Andrew [12]

Answer:

-4 i think

Step-by-step explanation:

divide -12 by 3 to get -4

3 0
3 years ago
Read 2 more answers
Other questions:
  • While conducting an inventory in their bicycle shop, the owner noticed the number of bicycles is 2 fewer than 10 times the numbe
    6·1 answer
  • A circular Petri dish has a diameter of 10 centimeters. If the dish contains 2,450 bacteria, what is the population density of b
    12·1 answer
  • Explain why the ratio 2 to 5 is different from the ratio 5 to 2 if they both represent the ratio of cats to dogs.
    8·1 answer
  • A penalty in Meteor - Mania is - 5 seconds. A penalty in Cosmic Calamity is - 7 seconds. Yolanda had penalties totaling -25 seco
    10·1 answer
  • Complete the following.
    7·1 answer
  • Help me out with this
    12·2 answers
  • Please help, find AB
    11·1 answer
  • Could someone plz help me
    13·2 answers
  • Good Morning! Please Help Me With This Math!!
    15·2 answers
  • 5x²-4(x²+1)<br>how to factorise this?​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!