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aliina [53]
3 years ago
7

Nicole is rolling a dice for a probability project. What is the theoretical probability that she will roll a 1 or a 4? Write you

r answers as a simplified fraction OR a percent
Mathematics
1 answer:
Alex777 [14]3 years ago
7 0

Answer:

\frac{1}{3}

Step-by-step explanation:

Given: Nicole is rolling a dice for a probability project

To find: theoretical probability that she will roll a 1 or a 4

Solution:

Theoretical probability expresses the chances that something will occur. It is equal to the number of favorable outcomes divided by the total number of outcomes.

Total number of outcomes = 6

Theoretical probability that she will roll a 1 or a 4 = \frac{1}{6} +\frac{1}{6} =\frac{2}{6}=\frac{1}{3}

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I've tried to get the answer for this 13 times now (not joking), plzzz help: write a formula that represents the number of peopl
gtnhenbr [62]

Answer:

  • 2820 seats
  • aₙ = 3n + 9

Step-by-step explanation:

<u>This is an AP with:</u>

  • The first term a₁ = 12
  • Common difference d = 3
  • Number of terms n = 40

<u>Number of the seats:</u>

  • Sₙ = 1/2*n(a₁ + aₙ) = 1/2n(2a₁ + (n - 1)d)
  • S₄₀ = 1/2*40(12*2 + 39*3) = 2820 seats

<u>Formula of nth term:</u>

  • aₙ = a₁ + (n - 1)d
  • aₙ = 12 + (n - 1)*3 = 12 + 3n - 3 = 3n + 9
  • aₙ = 3n + 9

6 0
3 years ago
A simple random sample of 49 8th graders at a large suburban middle school indicated that 82% of them are involved with some typ
melamori03 [73]

Answer:

0.142

Step-by-step explanation:

From the question, we identify the following parameters;

n = 49

p = 82% = 82/100 = 0.82

alpha, α = 1-0.99 = 0.01

Zα/2 = Z_0.005 = 2.575

margin of error = Zα/2 * √( p(1-p)/n)

Margin of error = 2.575 * √(0.82)(1-0.82)/49

Margin of error =0.1416005 which is approximately 0.142

5 0
4 years ago
The graph of y = RootIndex 3 StartRoot x minus 3 EndRootis a horizontal translation of y = RootIndex 3 StartRoot x EndRoot. Whic
LUCKY_DIMON [66]

Answer:

Step-by-step explanation

The graph of the cube root parent function y = ^3√x is translated to form f(x) shown on the graph. Which equation represents f(x)?

A: f(x) = ^3√x + 6 +1

The graph of g(x) is a reflection and translation of f(x) = = ^3√x. Which equation represents g(x)?

D: g(x) = -^3√x - 1

The function s(V) = ^3√v describes the side length, in units, of a cube with a volume of V cubic units. Jason wants to build a cube with a minimum of 64 cubic centimeters. What is a reasonable range for s, the side length, in centimeters, of Jason's cube?

s ≥ 4

The graph of f(x) = ^3√x + 8 is shown. Which statement is true?

NOT The function is only increasing when x ≥ −8.

Which statements describe the graph of y = ^3√x - 1 +2? Check all that apply.

The graph has a domain of all real numbers.

The graph has a y-intercept at (0, 1).

The graph has an x-intercept at (-7, 0).

The graph shows the function f(x).

Which equation represents f(x)?

f(x) = ^3√-x -1

Which is the graph of the cube root function f(x) = ^3√x?

B

The graph of y = ^3√x is reflected over the y-axis and then translated down 2 units to form f(x). Which is the graph of f(x)?

B

On the coordinate grid, the graph of y = ^3√x - 1 +3 is shown. It is a translation of y = ^3√x. What is the domain of the graphed function?

{x| x is a real number}

5 0
3 years ago
Read 2 more answers
A bank manager wants to encourage new customers to open accounts with principals of at least ​$. He decides to make a poster adv
saw5 [17]
The answer is yes.

Hope this helps!!
7 0
3 years ago
A trend line passes through two points on a scatter plot. How can you use the trend line to make a prediction between or outside
Hatshy [7]

Answer:

Step-by-step explanation:

The standard form y= mx+b

We know that the trend line passes through two points, so we use this information to find the slope of the line and the y-intercept. Then substitute the 2 values ablove into the standard form. After that, we subsitute the value of x for which you want to make prediction and solve for y or subsitute the value of y to solve for y.

7 0
3 years ago
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