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
Crank
3 years ago
9

Discrete MathA coin is flipped four times. For each of the events described below, express the event as a set in roster notation

. Each outcome is written as a string of length 4 from {H, T}, such as HHTH. Assuming the coin is a fair coin, give the probability of each event.( a ) The first and last flips come up heads.( b ) There are at least two consecutive flips that come up heads.( c) There are at least two consecutive flips that are the same
Mathematics
1 answer:
Vladimir79 [104]3 years ago
6 0

Answer:

a) 25%

b) 50%

c) 87.5%

Step-by-step explanation:

There are 2^4 = 16 number of outcome in total.

a)First and last flips come up heads. There are 4 outcomes here. Probability of the event is 4/16 = 1/4, or 25%.

- HHHH

- HHTH

- HTHH

- HTTH

b) at least 2 Consecutive flips that is heads. There are 8 outcomes. Probability of event is 8/16 = 1/2, or 50%

- HHHH

- HHHT

- HHTH

- HHTT

- THHH

- THHT

- HTHH

- TTHH

c) At least 2 consecutive flips that are the same. There are 14 outcomes. Probability of 14/16 = 7/8, or 87.5%

- HHHH

- HHHT

- HHTH

- HHTT

- THHH

- THHT

- HTHH

- TTHH

- TTTT

- TTTH

- TTHT

- HTTT

- HTTH

- THTT

You might be interested in
PLEASE ANSWER I REALLY NEED HELP ON THIS TEST
marshall27 [118]

Answer:

A

Step-by-step explanation:

beacause if you try to multiple 4x7.5 divided by 2 try it

6 0
3 years ago
Find her number and explain
Andreas93 [3]
It should be 11. hope this helps :)
8 0
3 years ago
Read 2 more answers
Jose purchased 105 slices of pizza to sell at his school's fundraiser, yet at the end of the day, he had only sold 58. What is h
natka813 [3]

Answer:

209 yan ang sagot brainliest po

4 0
2 years ago
If the coordinates of point A are (-3, 2) and the coordinates of point B are (7, 6), the x-intercept of is (3, 0) (18/5, 0) (9,
tester [92]
The x-intercept of CD=18/5,0
Point lies  on CD=32,-71
6 0
3 years ago
Read 2 more answers
Re-write the quadratic function below in Standard Form y = 2(x + 5)² + 3.​
zmey [24]

Answer:

2x^{2} +20x+53

Step-by-step explanation:

2(x^2 + 10x + 25) + 3

2x^2 + 20x + 50 + 3

2x^2 + 20x + 53

7 0
3 years ago
Other questions:
  • Select the most SPECIFIC name for this shape
    7·1 answer
  • If Jake has six apples and John takes two how much is Jake gonna have
    9·2 answers
  • Juan and Raj cut up a banana to put on cereal. Juan puts 17 of the banana on his bowl of cereal, and Raj puts 25 ​ of the banana
    5·1 answer
  • The first term of an arithmetic progression is 30 and the common difference is -1.5. Find the value of the 25th term
    8·2 answers
  • Problem Safety standards require a pool to add 3 chlorine tablets to every 2,000 gallons of water. Today, the lifeguards at Park
    11·2 answers
  • Simplify the given expression. Write your answer with positive exponents.
    11·1 answer
  • If a+3b=10, what is the value of 2a+6b=?
    15·2 answers
  • Tammy drove 522 miles in 9 hours.
    7·2 answers
  • I need halp asap!!!!
    10·1 answer
  • I need help with this math problem
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!