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vova2212 [387]
4 years ago
13

If the probability that event A takes place is 1/5, what is the probability of event A not

Mathematics
1 answer:
steposvetlana [31]4 years ago
4 0
The probability is 4/5
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What is the area, in square units, of the parallelogram shown below? A parallelogram ABCD is shown with height 7 units and base
enot [183]

<u><em>Answer:</em></u>

35 square units

<u><em>Explanation:</em></u>

<u>Area of parallelogram is calculated as follows:</u>

Area = base * height square units

<u>In the given question, we have:</u>

base = 5 units

height = 7 units

<u>Substitute with the givens in the above equation to get the area:</u>

Area of parallelogram = 5 * 7 = 35 square units

Hope this helps :)

3 0
4 years ago
Read 2 more answers
5 cm 3 cm 4 cm could you pls find the surface area​
alexira [117]
60 because you Multiply all the numbers and get your answer
4 0
3 years ago
Keisha wants to estimate the percentage of managers at her company that hold an MBA. She surveys 320 managers and finds that 70
kondor19780726 [428]

Answer:

The margin of error is of 0.038 = 3.8%.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

n = 320, \pi = \frac{70}{320} = 0.21875

90% confidence level

So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.95, so Z = 1.645.

The margin of error is:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

M = 1.645\sqrt{\frac{0.21875(1-0.21875)}{320}}

M = 0.038

The margin of error is of 0.038 = 3.8%.

6 0
4 years ago
WILL GIVE BRAINLIEST!
kirza4 [7]

Answer:

A is 42 degrees B is 84

Step-by-step explanation:

3 0
3 years ago
The circle below is centered at the point (4, 1) and has a radius of length 2 What is its equation?
11111nata11111 [884]

Answer:

(x - 4)^2 + (y - 1)^2 = 2^2 = 4

Step-by-step explanation:

The applicable equation of a circle with center at (h, k) and radius r is

(x - h)^2 + (y - k)^2 = r^2.  Here, h = 4; k = 1; and r = 2.

So the desired equation is (x - 4)^2 + (y - 1)^2 = 2^2

6 0
3 years ago
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