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
Alina [70]
3 years ago
10

300 students in a high school freshman class are surveyed about what kinds of pets they have. Of the 300 students, 200 have a do

g, 180 have a cat, and 150 have a cat and a dog. Using this information, answer each of the following questions.
Let D be the event that a randomly selected student has a dog and C be the event that a randomly selected student has a cat.

What is P(D and C), the probability that a student in the class has a dog and a cat?

A) 2/3
B) 3/5
C) 1/2
D) 5/6
Mathematics
1 answer:
Ad libitum [116K]3 years ago
5 0

Answer:

C) ½

Step-by-step explanation:

P(C and D) = 150/300

= ½

You might be interested in
In a right triangle, the ratio of the length of the side opposite acute angle to the length of the side adjacent to angle is cal
Ronch [10]

Answer:

The given statement is "True"

Step-by-step explanation:

The right angle triangle is shown below:

The tangent value of an angle is given by the expression as shown below:

tan\alpha =\frac{a}{b}

5 0
3 years ago
There are 16 players trying out for Ms. Harris' Tennis team. There are 4 more girls than boys. How many players are girls? What
Vika [28.1K]

Answer:

Called the amount of girls is x

we have the amount of boys x - 4

so, we have

<=> x + ( x - 4 ) = 16

<=> x = 10

Step-by-step explanation:

8 0
2 years ago
The portion of a student’s ballpoint pen that contains the ink is a cylinder with a diameter of 0.400 cm and a height of 11.5 cm
Musya8 [376]
Volume of a cylinder=pi*r^2*h Diameter=0.400, Radius=0.400/2=0.200 | V of cylinder=pi*(0.200)^2*11.5=1.444 now this remain for 7 weeks...to get ink used for 1 week just divide it by 7 =1.444/7=0.207 | The answer is A
6 0
2 years ago
Fatima paid for 5 pallets of grass to be delivered.
dmitriy555 [2]

Answer:

$725.95

Step-by-step explanation:

129.95 times 5 is 649.75

649.75 plus 76.20 = 725.95

6 0
2 years ago
Read 2 more answers
Line j is a straight line. Line j is a straight line. 2 lines come out of the line to form 4 angles. From top left, clockwise, t
sdas [7]
Measure of angel w=measure of angle Z
3 0
3 years ago
Read 2 more answers
Other questions:
  • Tanya ran 400 meters on Tuesday and 800 on Wednesday. If she ran 16,256 meters in all, how many did she run on Thursday? Show wo
    15·2 answers
  • Express the complex number in trigonometric form. square root of 3+2i
    5·1 answer
  • Solve. –4t ≤ 48 A. t ≥ –12 B. t ≤ –12 C. t ≥ 12 D. t ≤ 12
    5·1 answer
  • Choose all the factors of x2−16x+64x2-16x+64
    7·1 answer
  • What is 6 times 3/8 in simplest form
    11·2 answers
  • Customer- I recently saw an advertisement that said your company would give 5% discount to anyone who enrolls in your automatic
    14·1 answer
  • GENERALIZATION:
    15·1 answer
  • (100 points!!!!!)
    9·1 answer
  • Find the length of side x in simplest radical form with a rational denominator.
    7·1 answer
  • Which of the following is correct equation for the trend line in the scatter plot? A. Y= 2/5 x -2 B. Y= 5x-1 C. Y= 5x +5 D. Y= -
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!