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
Darina [25.2K]
3 years ago
15

In a group of students 25% are enrolled in physics, 23% in sociology, 17% in chemistry, 14% in political science, 12% in anthrop

ology, and 9% in math. you are going to select an individual from the group of students. the probability of event a is equivalent to the probability that you select someone who studies social science (sociology, political science and anthropology) or physics. what is the probability of the event a’s complement?
Mathematics
1 answer:
saveliy_v [14]3 years ago
8 0
Notice that 25+23+17+14+12+9=100, so among these students there are no 2 studying 2 subjects.

The probabilities of selecting students studying a certain subject are as follows

P(physics)=25/100
P(chemistry)=17/100
P(maths)=9/100

P(sociology)=23/100
P(political sciences)=14/100
P(anthropology)=12/100

since all the sets are disjoint, that is there are no common elements, and since all the students in consideration are enrolled in one these 6 subjects:


P(physics)+P(chemistry)+P(maths)+P(sociology)+P(political sciences)
+P(anthropology)=1

P(a)=P(sociology)+P(political sciences)+P(anthropology)+P(physics)

thus 

P(a')=1-P(a)=P(chemistry)+P(maths)=17/100+9/100=26/100=0.26


Answer: 0.26

You might be interested in
Job a pays $9.95 per hour, 40 hours per week.
OLEGan [10]
Job A pays better


there are roughly 52 weeks in a year so multiply that by 40 to get the total hours worked in a year. = 2,080

2,080 hours worked per year multiplied by the hourly pay 9.95 = 20,696

Job A pays $20,696 per year

Job B only pays $17,500
4 0
3 years ago
Read 2 more answers
The store had a special on apples, 4 pounds for $2.80. The store's special on oranges was 3 pounds for $2.58. Which of the follo
Viktor [21]

Answer:

B

Step-by-step explanation:

Hope this helps!!

8 0
2 years ago
Read 2 more answers
Find the circumference of the circle. Round your answer to the nearest hundredth. Use 3.14 or pi circle is 3 ft in radius
densk [106]

Answer:

18.84 feet

Step-by-step explanation:

The circumference of a circle can be found using:

c=π*d

The radius is given, but we have to find diameter. The diameter is twice the radius, or

d=2r

The radius is 3 feet. Substitute 3 in for r.

d=2*3

d=6

The diameter is 6 feet.

Now we have the diameter. We can substitute 6 in for d in the circumference formula. We can also substitute 3.14 in for pi.

c=π*d

c=3.14*6

c=18.84

The circumference is <u>18.84 feet</u>

8 0
3 years ago
Read 2 more answers
Simplify. (4w + 3) – 2w + 7
maks197457 [2]

Answer:

2w+10

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What is an equation of a line,in point-slope from, that passes through (1, -7) and has a slope of -2/3
il63 [147K]

Answer:

y + 7 = - \frac{2}{3}(x - 1)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

Where m is the slope and (a, b) a point on the line

Here m = - \frac{2}{3} and (a, b) = (1, - 7), thus

y - (- 7) = - \frac{2}{3}(x - 1), that is

y + 7 = - \frac{2}{3}(x - 1) ← in point- slope form

3 0
3 years ago
Other questions:
  • What is the least common multiple of 24, 16, and 32?​
    12·2 answers
  • PLEASE HELP!!!<br><br>what is the explicit formula for the sequence<br><br>7 2 -3 -8 -13
    9·2 answers
  • Find the value of x so that the polygons have the same perimeter
    10·1 answer
  • ASAP PLEASE!!
    10·2 answers
  • QOTD: What's 658x923? Do NOT use a calculator. Whoever, answers this correctly, I will give BRAINLIEST.
    7·2 answers
  • I give brainly to answer
    12·1 answer
  • HELP PLEASE FAST 15 and 16 how to solve PLEASE <br><br>​
    13·2 answers
  • Explain solving how 4x&lt;-16 is different from -4x&lt;16<br><br> Thank y'all
    13·2 answers
  • The graph represents the approximate number of bacteria in a population over time. Is the rate of change constant or varying? Ho
    13·1 answer
  • Factor. 9x^2−49y^2<br><br>Enter your answer in the box
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!