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shepuryov [24]
3 years ago
11

If A denotes some​ event, what does Upper A overbar ​denote? If ​P(A)equals0.009​, what is the value of ​P(Upper A overbar​)? If

​P(A)equals0.009​, is Upper A overbar ​unusual? What does Upper A overbar ​denote? A. Event Upper A overbar is always unusual. B. Event Upper A overbar denotes the complement of event​ A, meaning that Upper A overbar consists of all outcomes in which event A does not occur. C. Events A and Upper A overbar share all outcomes. D. Event Upper A overbar denotes the complement of event​ A, meaning that Upper A overbar and A share some but not all outcomes.
Mathematics
1 answer:
nikdorinn [45]3 years ago
7 0

Answer:

Option  B) Event \bar{A} denotes the complement of event​ A, meaning that \bar{A} consists of all outcomes in which event A does not occur.      

Step-by-step explanation:

We are given the following in the question:

A denotes some​ event.

p(A) = 0.009

We have to define what does \bar{A} mean.

Complement of a event:

  • It is defined as the outcomes that are not included in the event.
  • Together the event and the complement of event makes all possible outcomes.
  • p(A) + p(\bar{A}) = 1
  • p(\bar{A}) = 1 - 0.009 = 0.991

Thus, the correct interpretation is

Option  B) Event \bar{A} denotes the complement of event​ A, meaning that \bar{A} consists of all outcomes in which event A does not occur.

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The square root of 90 is it closer to 9 or 10
Ksenya-84 [330]

Answer:

9

Step-by-step explanation:

9² = 81

10² = 100

81 ... 90 ... 100

90 - 81 = 9

100 - 90 = 10

9 is less than 10

Hence, √90 is closer to 9

3 0
3 years ago
What is the slope of the line that is perpendicular to the line y=1
Crazy boy [7]
Using the slope-intercept form, the slope is 12 1 2 . m=1<span>2 </span>m = 1<span> 2.</span>
m=12.
<span>The equation of a perpendicular line to y=x2−6 y = x 2 - 6 must have a slope that is the negative reciprocal of the original slope.</span>
5 0
3 years ago
On a piece of paper, graph y&lt; -*x+2. Then determine which answer choice matches the graph you drew.
alisha [4.7K]

D. graph D

Explanation

Step 1

graph the function as a line

convert

\begin{gathered} y

to graph, find 2 coordianates

a) when x=0

\begin{gathered} y=-\frac{3}{4}x+2 \\ y=-\frac{3}{4}\cdot0+2 \\ y=0+2,\text{ y=2} \\ so,\text{ we have P1(0,2)} \end{gathered}

b) when

x=-4

\begin{gathered} y=-\frac{3}{4}x+2 \\ y=-\frac{3}{4}\cdot-4+2 \\ y=3+2 \\ y=5 \\ P2(-4,5) \end{gathered}

now, using two points draw a line

Step 2

we are looking fro values under this line, so the answer is

D. graph D

7 0
1 year ago
Item 1 Write an equation of the line with a slope of 2 and y-intercept of 9
quester [9]

Answer:

y=2x+9

Step-by-step explanation:

Hope this helps ;)

4 0
4 years ago
Read 2 more answers
Help, question is below :)))
qaws [65]

Answer:

$43 million

Step-by-step explanation:

<h3>Step 1. Turn the sentence into an equation (total = T)</h3>

15.4 million = 0.36 (T)

<h3>Step 2. Solve for T </h3>

15,400,000 / 0.36 = T

42,777,777.78 = T

$42.8 million ≈ $43 million (rounded)

The final answer rounded to the nearest million is $43 million. This makes sense since $15.4 was only 36% of this total. Checking our math, 36% of $43 million is $15.4 million!

Hope this helps :)

4 0
2 years ago
Read 2 more answers
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