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
Margaret [11]
3 years ago
7

a number cube numbered 1-6 is rolled 30 times and lands on an even number 18 times. How does this frequency compare to the expec

ted frequency based on the probability of the number cube landing on an even number?

Mathematics
1 answer:
Korolek [52]3 years ago
8 0

Answer:

The frequency is 3 more than expected

Step-by-step explanation:

There are 3 favourable outcomes: {2, 4, 6}

There are 6 possible outcomes: {1, 2, 3, 4, 5, 6}

probability of the number cube landing on an even number = favourable outcomes / possible outcomes = 3/6 = 1/2

If the cube is rolled 30 times, it is expected that in 1/2*30 = 15 times landed on an even number. The frequency: 18 is 3 more than expected

You might be interested in
The table shows the values of y for each value of x. x y 2 1 3 1 4 -3 3 -3 Part A: Does the table represent a relation that is a
LUCKY_DIMON [66]
Part A:

The given values in form of ordered pairs are:
(2,1), (3,1), (4,-3), (3,-3)

A relation can be a function if one value of x is paired with exactly one value of y. In this case, x value of 3 is paired with two y values 1 and -3. So this relation is not a function.

Part B:

f(h) = 15h + 5
f(8) can be found by substituting h=8 in above equation. 
So,
f(8) = 15(8) + 5 = 125
h represents the number of hours and f(h) represents the earnings of Kylie. So f(8) shows that Kylie earned $125 from 8 hours of work in the cafe

Part C:

For r hours of work, we can write:
f(r) = 15r + 5
So, the ordered pair can represent this relation as:
(r, f(r))
or
(r, 15r+5)
7 0
3 years ago
The Supreme Court of the United States is composed of a Chief Justice and eight associate justices. The president of the United
jasenka [17]
5 girls to 3 guys i think not for sure tho 
 sorry if it is wrong 
 
5 0
3 years ago
Write the equation that describes the line in slope-intercept form.
Thepotemich [5.8K]

Answer:

y = 2x+4

Step-by-step explanation:

slope (m) = 2

point (-1,2)

so,

b = 2-2×(-1) = 4

y = mx+b

or, y = 2x+4

5 0
3 years ago
Determine the x- and y-intercepts of the graph of y=1/4x−2 .
Serggg [28]
8 is the x intercept and -2 is the y
4 0
3 years ago
Read 2 more answers
How to solve Increase $24 by a half of $36
seraphim [82]
36 divided by 2 = 18 and 18 + 24 = 42
6 0
3 years ago
Other questions:
  • Simplify this expression 7x(9x^2)
    8·1 answer
  • Can i use the pythagorythm therom on all triangles
    11·2 answers
  • Which expression has a value of 35 when p = 7
    12·1 answer
  • Micah is buying items for a birthday party. If he wants to have the same amount of each item, what is the least number of packag
    5·1 answer
  • The equation for the pH of a substance is pH = –log[H+], where H+ is the concentration of hydrogen ions. Which equation models t
    13·2 answers
  • D
    5·1 answer
  • What is the relationship between 0.8 ÷ 10^2 and 0.8×10^2
    9·1 answer
  • Represent each of the following as an algebraic inequality. The sum of 5 and a number is at least 125
    11·1 answer
  • Order from least to greatest 0.033, 0.09, 0.1
    6·2 answers
  • Mariana is taking a multiple choice test with a total of 80 points available. Each question is worth exactly 4 points. What woul
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!