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topjm [15]
3 years ago
11

What is the probability against drawing a 7 from a standard deck of 52 cards ? ( percentage% )

Mathematics
1 answer:
MaRussiya [10]3 years ago
7 0
In a standard deck of cards, there are 48 cards that are not sevens. Therefore the probability of not drawing a seven is 48/52 = 12/13 (92.31%).
You might be interested in
the managers of a corporation were surveyed to determine the background that leads to a successful manager. each manager was rat
lubasha [3.4K]

The probability that the selected manager has no college background and only have a fair look is 0.05625

Table is missing. Attached below.

Given,

We have to find the probability that the selected manager has no college background and only have a fair look;

From the table;

The total number of managers surveyed = 160

Number of managers surveyed are fair = 9

Probability;-

Simply put, probability is the likelihood that something will occur. When we don't know how an event will turn out, we can discuss the likelihood or likelihood of several outcomes. Statistics is the study of events that follow a probability distribution.

Here,

The probability = Number of managers surveyed are fair / The total number of managers surveyed

The probability = 9/160 = 0.05625

That is,

The probability that the selected manager has no college background and only have a fair look is 0.05625

Learn more about probability here;

brainly.com/question/11234923

#SPJ4

8 0
1 year ago
What is the slope of a line that is parallel to the Line shown?
Vikki [24]

Answer:

2/3

Step-by-step explanation:

The slope of a line can be computed as:

m=\frac{\Delta y}{\Delta x}

where

\Delta y = y_2-y_1 is the increment along the y-direction

\Delta x = x_2 - x_1 is the increment along the x-direction

We can choose the following two points to calculate the slope of the line shown:

(0,1) and (3,3)

Therefore, the slope of the line is

m=\frac{3-1}{3-0}=\frac{2}{3}

Two lines are said to be parallel if they have same slope: therefore, a line parallel to the one shown should also have slope of 2/3.

8 0
3 years ago
Read 2 more answers
In buffalo, New York,temperature was -14 degrees F in the morning. if the temperature dropped 7 degrees F, what is the temperatu
anyanavicka [17]
-21 degrees F because -14-7=-21
7 0
3 years ago
The cross-section of a prism is in the shape of a trapezium as shown.​
ira [324]

Answer:

Length = 15cm

Step-by-step explanation:

Given

The cross-section

Volume = 630cm^3

Required

Calculate the length

We start by calculating the area of the trapezium cross-section.

Area = \frac{1}{2}(Sum\ of\ parallel\ sides)  * Height

Area = \frac{1}{2}(9cm + 5cm) * 6cm

Area = \frac{1}{2}* 14cm* 6cm

Area = 42cm^2

The length is then calculated from volume as:

Volume = Area * Length

Substitute values for Volume and Area

630cm^3 = 42cm^2 * Length

Make Length the subject

Length = \frac{630cm^3}{42cm^2}

Length = 15cm

7 0
3 years ago
Pentagon ABCDE and pentagon A'B'C'D'E' are shown on the coordinate plane below:
Ivan
Answer: translated according to the rule <span>(x, y) →(x + 8, y + 2) and reflected across the x-axis

Reasoning:

</span>1) The translation options are x + 8 or x + 2 and y + 2 or y + 8.

That means that the points are translated to the right and upward.

2) Then, you need to rotate the figure over the x-axis to translate it to the fourth quadrant.

To find the answer you can choose just one point to verify the rule.

3) Using the point D (-2,2) which is translated to D' (6, - 4) and knowing that the rotation over the x-axis keeps the x-coordinate unchanged while the y-coordinate is transformed into its negative, you can conclude that

3a) first the point was translated 8 units to the right and two units upward this is to a poin with x-coordinate  -2 + 8 = 6 and y-coordinate 2 + 2 = 4

3b) second the point was reflected over the x -axis keeping the same x-coordinate  x = 6 and transforming the y-coordinate into y = - 4.

So, the rule has been discovered: (x, y) →(x + 8, y + 2) and reflected across the x-axis

7 0
3 years ago
Read 2 more answers
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