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
stepladder [879]
3 years ago
13

4. A coin is tossed 4 times. What is the probability of getting exactly 3 heads?

Mathematics
2 answers:
aalyn [17]3 years ago
5 0

Answer:1/2, 50%, 2/4

Step-by-step explanation:a coin has two sides and your tossing it 4 times so you just divide it by 2 and you get 2

Veseljchak [2.6K]3 years ago
3 0

Answer:

A coin is tossed 4 times. So the sample space is {HHHH, HHHT, HHTT, HTTT, TTTT, TTTH, TTHH, THHH, HTHT, THTH, HTHH, HHTH, HTTH, THHT, THTT, TTHT}

There are 16 sample points. This can be found out by knowing how many objects(or times the same object) is tossed/rolled(for a dice). Sample points = (Outcomes)^no. Of times

16 = 2^4

The answer is 4/16 = 1/4

Hope this helps!

You might be interested in
Simplify: 7·(a+5)–30 =
postnew [5]

Answer:

7a + 5

Step-by-step explanation:

Distribute using PEMDAS.


7 0
3 years ago
Talya works six hours per day on Fridays and Saturdays each week she earns $8.20 per hour what is her gross pay in a week
Scilla [17]

6 \times 2 = 12
12×8.20=98.40
5 0
3 years ago
5 Consider this system of equations:<br> 5x + y = -2<br> 2x - 2y=4
Ilia_Sergeevich [38]

Answer:

x  = 0

  y  = -2

Step-by-step explanation:

The given system of equation are:

   5x + y = -2

   2x - 2y = 4  

The problem here is to find x and y from the expression

   5x + y = -2     ----- i

   2x - 2y = 4    ---- ii

 So;

i x 2 :  10x + 2y  = -4     ----  iii

ii x 5 :  10x - 10y  = 20    ----- iv

   iii - iv;   12y  = -24

                  y  = -2

    Now find x;

             5x + y  = -2

             5x  - 2  = -2

                  x  = 0

 

7 0
3 years ago
Which of the following numbers is closest to 7?
Sphinxa [80]

Answer:

B. √50

Step-by-step explanation:

7^{2} is 49 so √49 is 7

So,

since the <u>closest number to 49 is 50</u>, that is the answer.

7 0
3 years ago
Factorize:<br> 2ax-6ay+bx-3by
Elodia [21]

Answer:

2ax − 6ay + bx − 3

Step-by-step explanation:

The expression is not factorable with rational numbers

3 0
3 years ago
Read 2 more answers
Other questions:
  • Describe and correct the error in solving the inequality 9x &gt; -45
    11·1 answer
  • What does angle B equal?
    10·1 answer
  • Refer to the data set below​ (body mass index of​ men) and determine whether the requirement of a normal distribution is satisfi
    5·1 answer
  • A bag contains 8 blue marbles, 15 red marbles, 10 yellow marbles, and 3 brown marbles. If a marble is randomly selected, what is
    15·1 answer
  • Write each fraction as a desimol 29/1000
    14·2 answers
  • Quotient of 1222 divided by 13​
    11·1 answer
  • Round 7.21 divided by 7 to the nearest tenth
    13·1 answer
  • What is (1/3)(20+25)
    13·2 answers
  • 110% as a fraction in simplest form
    12·2 answers
  • 7. An angle is in quadrant III with a reference angle of 20°, find the positive measure of the angle.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!