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
dem82 [27]
3 years ago
13

If a person tosses a coin 23 times, how many ways can he get 11 heads

Mathematics
1 answer:
EastWind [94]3 years ago
3 0

Tossing a coin is a binomial experiment.

Now lets say there are 'n' repeated trials to get heads. Each of the trials can result in either a head or a tail.

All of these trials are independent since the result of one trial does not affect the result of the next trial.

Now, for 'n' repeated trials the total number of successes is given by

_{r}^{n}\textrm{C}

where 'r' denotes the number of successful results.

In our case n=23 and r=11,

Substituting the values we get,

_{11}^{23}\textrm{C}=\frac{23!}{11!\times 12!}

\frac{23!}{11!\times 12!}=1352078

Therefore, there are 1352078 ways to get heads if a person tosses a coin 23 times.


You might be interested in
PLEASE SMART PEOPLE OUT THERE HELP
RSB [31]

Answer:

1 / 8

Step-by-step explanation:

So there are 8 marbles in all.

The probability of getting a purple is 1 / 2

The probability of getting a green is 1 / 4

1 / 2 * 1 / 4 = 1 / 8

There is a 1 / 8 chance.

3 0
2 years ago
A spinner is spun once ( The spinner has 8 sections in it) What is the probability that the spinner will land on 5 or 7? A.8% B.
nordsb [41]
D. 25% as there are 8 sections and two wanted outcomes this can be simplified into a 1/4 so 1/4=25%
3 0
3 years ago
<img src="https://tex.z-dn.net/?f=2x%20-%206%20%3D%203x%20%2B%201%20-%20x%20-%207" id="TexFormula1" title="2x - 6 = 3x + 1 - x -
artcher [175]
The answer to the question

6 0
3 years ago
Find the equation of the linear function represented by the table below in slope intercept form.
Ulleksa [173]

Step-by-step explanation:

let equation be y = mx + b.

m = (9-5)/(3-1) = 2

sub (1, 5):

5 = 2(1) + b

b = 3

therefore the equation: y = 2x + 3

Topic: coordinate geometry

If you like to venture further, feel free to check out my insta (learntionary). I'll be constantly posting math tips and notes! Thanks!

8 0
2 years ago
You have the following coins in your pocket five quarters six dimes two nickels and 12 pennies what is the probability as a deci
irinina [24]

Answer: The probability of you drawing a dime is 0.24

Step-by-step explanation:

5 quarters, 6 dimes, 2 nickels, 12 pennies

5+6+2+12= 25

6/25= 0.24 or 24%

3 0
2 years ago
Read 2 more answers
Other questions:
  • Solve with interval notation Solve: 5 | x − 2 | + 4 &gt; 8
    5·1 answer
  • Identify the variable terms, constant terms, and coefficients for each expression.
    15·1 answer
  • What is the answer to -30x+100=-22x+140
    12·2 answers
  • What is the average speed (miles/hour) for an object going 1500 feet in 1 minute. Round answer to two decimal places.
    15·1 answer
  • the area of a mirror is 225 square inches and its width is 13 3/4 inches. Will the mirror fit in a space that is 15 inches by 16
    14·1 answer
  • Identify all of the root(s) of g(x) = (x2 + 3x - 4)(x2 - 4x + 29).
    11·2 answers
  • Please help with multiplying binomials! Show your work!<br> (3n+2)(n+3)
    14·1 answer
  • Simplify: 5x+50/x+5 • 1/x+10
    5·2 answers
  • Which table represents a linear function? Y X y 7 1 XEM 1 N N 9 13 21 Ž 3 -- 4 2 4 O 6 16 30. witch table is a liner function.​
    9·1 answer
  • Solve the equation. How old is Sam?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!