Subtract to find the difference:
2000 - 500 = 1500
Divide the difference by the original population:
1500 / 500 = 3
Multiply that by 100 to get the percentage:
3 x 100 = 300%
Answer: The P(e or f) is the P(e) + P(f) when they are disjoint events.
Disjoint events are events that are independent of each other.
Imagine rolling a die. The probability of rolling a 1 is independent of rolling a 2. Both of these probabilities are 1/6.
To find the probability of rolling either a 1 or 2, P(1 or 2) we simply add the 2 probabilities together.
The solution to the given system of linear equations is (3, -1)
<h3>Graph of Linear Equations</h3>
From the question, we are to determine the graph of the system of linear equations
The given system of equations is
x - 2y = 5
3x + 15y = -6
The graph of the given system of equation is shown below
From the graph,
The point of intersection of the lines is at (3, -1)
Hence, the solution to the given system of linear equations is (3, -1)
Learn more on Graph of Linear equations here: brainly.com/question/14323743
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When something says 'solve for the system of equations' they are looking for a point where the graph of the two functions intersects. Since they give you the graph, the two functions approximately intersect somewhere between the x-value of -6 and -7 (i.e. -6.5) and somewhere between the y-value of -3 and -4 (i.e. -3.5). So, the closest estimate is (-6.5, -3.5) or A.
Answer:
The standard error of the mean equals 0.1
Step-by-step explanation:
We are given the following in the question:
Sample mean,
= 3 minutes
Sample size, n = 100
Population standard deviation, σ = 1 minute
Formula:
![\text{Standard Error} = \displaystyle\frac{\sigma}{\sqrt{n}}\\\\= \frac{1}{\sqrt{100}} = \frac{1}{10} = 0.1](https://tex.z-dn.net/?f=%5Ctext%7BStandard%20Error%7D%20%3D%20%5Cdisplaystyle%5Cfrac%7B%5Csigma%7D%7B%5Csqrt%7Bn%7D%7D%5C%5C%5C%5C%3D%20%5Cfrac%7B1%7D%7B%5Csqrt%7B100%7D%7D%20%3D%20%5Cfrac%7B1%7D%7B10%7D%20%3D%200.1)
Thus, standard error of the mean equals 0.1