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
Feliz [49]
3 years ago
7

the odds of rolling a certain number on a single die is 1 chance in 6 rolls. in course of a game, someone rolled 3 fives. accord

ing to the odds, how many times must that person have thrown the die
Mathematics
1 answer:
Zina [86]3 years ago
6 0

Answer:

18

Step-by-step explanation:

The expected value is the probability times the frequency.

3 = 1/6 × n

n = 18

Note: the use of the word "odds" is very misleading here.  Odds are the ratio of number of successes to number of failures:

S / F

Probability is the ratio of number of successes to number of all outcomes:

S / (S + F)

So the probability of rolling a 5 is 1/6.  The odds of rolling a 5 is 1/5.

Furthermore, the word "must" is also incorrect.  The player didn't <em>have</em> to roll 18 times.  They could have rolled three times and gotten a 5 each time.  Or they could have rolled 100 times.  18 is simply the most <em>likely </em>number of rolls needed to get three 5's.

You might be interested in
What is the solution to x + 7 = 22?<br> A. x = 14<br> B. x= 7<br> © C. x= 15<br> D. x= 29
klio [65]

Answer:

x = 15

Step-by-step explanation:

x + 7 = 22

Subtract 7 from each side

x+7-7 = 22-7

x=15

6 0
2 years ago
Read 2 more answers
When solving this equation for x, what would you do next?
Leviafan [203]

Answer: A. Distribute the 3 outside of the parathesis to everything inside the parenthesis

We use the order of operations, also known as PEMDAS.

Since there is a variable inside the parenthesis, we cannot add/subtract 4. This means the next step is to distribute.

After distributing, the equation looks like this and we can solve it from there:

4x + 12 = 30

4 0
2 years ago
. What is the median of this set of values? 6, 8, 10, 8, 4, 2, 12 4 6 7 8
Naddik [55]

Answer:

7

Step-by-step explanation:

Just put the numbers in order the find the number in the middle in the case that there are to numbers add the together then divide by 2

8 0
3 years ago
Please help meeeeeeeeeee
Darina [25.2K]
If you need help for all 3 questions then ok.
Here’s what you need to do. If they give you a rectangular prism with a side length of #, that number is the length, width and height. I’ll help you for the first picture. They asked how many cubic blocks with a SIDE LENGTH of 1/7 in can fill in a cube with the SIDE LENGTH of 3/7 in. Here is your equation: (3/7 x 3/7 x 3/7) / (1/7 x 1/7 x 1/7). That’s how you solve it. (The slash stands for division.) Now do the same thing with the other pictures. They will ask you how many blocks with a side length of # can fill in a prism with the length, width, and height (or just a side length without saying the l, w and h.) Hopefully this helped! If I got it wrong or if you need help cause you didn’t get what I mean, let me know.

bYe
3 0
3 years ago
A string of holidays lights at a store have three colors that flash every 6 seconds.Blue light flash every 8 seconds.The store o
kirill [66]
Lights flash every four seconds. the store owner turns on the lights. After how many seconds Will all three lights flash at the same time for the first ...
7 0
2 years ago
Other questions:
  • Which given congruence is still needed to prove that LMO = NMO by AAS?
    14·1 answer
  • Consider the following repeating decimal. 0.619
    9·1 answer
  • Kenji buys 3 yards of fabric for $7.47 then he realizes that he needs 2 more yards how much would the extra fabric cost
    9·2 answers
  • 16+2.4c=22.5 what does c equal?
    10·2 answers
  • Y=f(x) = 16^x. find f(x) when x = 1/4.
    6·1 answer
  • Twenty percent of all telephones of a certain type are submitted for service while under warranty. Of these, 70% can be repaired
    10·1 answer
  • Solve for p: p/2 + 0.1 &gt; 0.​
    7·1 answer
  • A store has a 20% off discount. If the original price of a shirt is $48, how<br> much will you pay?
    10·1 answer
  • Square root of 7396 by division method​
    7·1 answer
  • Find the maximum value on (0, infinity) for f(x)=7x-2xlnx
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!