Answer:
Mean: 1.7 and standard deviation 1.1.
Step-by-step explanation:
42% Of the poll workers are less than 60 years old. In other words, 58% of the poll workers are 60 years old: 1-0.42 = 0.58. So W is a geometric variable where the first "success" is poll worker who is at least 60years old.
Mean: 1/0.58 = 1.7241 poll workers, about 1.7 poll workers.
Standard deviation: sqr(1-p)/p = sqr(1-0.58)/0.58 = 1.1174 poll workers, about 1.1 poll workers.
The required Mean and the standard deviation are given as 1.7 and 1.1 respectively.
Given that,
During the last election, 42%, percent of the poll workers were under 60 years old. Let W be the number of poll workers Kiera contacts before reaching one that is 606060 years old or older.
The mean of the values is the ratio of the total sum of values to the number of values.
here,
42% of poll workers are under the age of 60. Also, 58% of poll workers are above the age of 60.
= 1 - 0.42 = 0.58.
So "W" is a geometric variable with the first success being a poll worker beyond the age of 60.
Mean = 1/0.58
= 1.7 poll workers.
Standard deviation = √[(1-0.58)/0.58]
= 1.1 poll workers.
Thus, the required Mean and the standard deviation are given as 1.7 and 1.1 respectively.
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Can someone please help me???
Answer: Y=2x+1
Step-by-step explanation:Idk the second answer but I know the first one
Jim was thinking of a number. Jim doubles it and adds 8.8 to get an answer of 81.7. Form an equation with x from the information.
Answer:
x = 36.45
Step-by-step explanation:
set up equation
2x + 8.8 = 81.7
subtract 8.8 from both sides
2x = 72.9
divide 2 from both sides
x = 36.45
What do the following two equations represent?
• Y = -3x -1
• y +5 = -3(x-2)
Answer:
Step-by-step explanation:
If you look this up on google there's an answer key!!! If you look this up it will be the 4th link!
What are the solutions of this graph? *
el número de llegadas al servicio de urgencias de un hospital es de 2 cada 15 min. Si se supone que
el numero de llegadas se distribuye en un modelo de Poisson, se pretende calcular la probabilidad
de que en los próximos 15 min se produzcan 4 llegadas.
Ayuda por favor, es urgente.
Answer:
Uh I don’t speak u language
Step-by-step explanation: Sorry :/
si en una caja hay 5 pelotas una verde una amarilla.una azul.una negra y una roja ya a salido la rija y la verde cual es la posibilidad de sacar la azul en una cuarta vez
Answer:
uno a tres
Step-by-step explanation:
Creo que es correcto
Avísame si estoy equivocado
Y que tengas un feliz día de acción de gracias
i need somebody help on this test i am Taking
Answer:
ok and thank you for point
Which point on the y-axis lies on the line that passes
through point G and is parallel to line DF?
O (-2, 0)
0 (0,-2)
0 (0,4)
O (4,0)
Answer:
Step-by-step explanation:
y = mx + b , "m" is a slope and "b" is y-intercept (0, b)
~~~~~~~~~~
G(- 4, - 4)
Slope [tex]m_{DF}[/tex] = 2
y + 4 = 2(x + 4)
y = 2x + 4 ⇒ (0, 4)
What is the opposite of each number?
Drag the answer into the box to match each number.
Answer: If it has a negative sign then drag it to one that doesn't have one and vice-versa
Step-by-step explanation:
so 0.005 would be -0.005
Answer:
the opposite of 0.005 is -0.005
the opposite of 1/2 is -1/2
the opposite of 0 is 0
the opposite of -2 is 2
Step-by-step explanation:
How many 1-yard-square tiles would it take to cover this rectangle? Dimensions are in yards.
Answer:
it would take 520^2 tiles
Step-by-step explanation:
LxW
26×20
520 yrds^2
Which choice shows the correct solution to 2528 ÷ 8?
Answer:
B.
Step-by-step explanation:
Hope it helps!
Rotate this figure 90 degrees counterclockwise.
pls answer quick 20 points :D
Sally sim Tim and joah each have 14 baseball cards sam has 20 Pokemon cards how many baseball cards do they have in all
Answer: 14
Step-by-step explanation: Pokémon cards are different than baseball cards and are two different things.
Think About the Process The length of a rectangle is twice the width. The area of the rectangle
is 86 square units. Notice that you can divide the rectangle into two squares with equal area. How
can you estimate the side length of each square? Estimate the length and width of the rectangle.
How can you estimate the side length of each square?
OA. Estimate V86.
OB. Estimate V43 .
V 86
OC. Estimate
4.
43
OD. Estimate
4
The rectangle is units long and units wide.
.
(Round to the nearest tenth as needed.)
Answer:
length of each square= [tex]\sqrt{43}[/tex] ≈ 6.6
the length of the rectangle = 2[tex]\sqrt{43}[/tex] ≈ 13.1
width of the rectangle ≈ [tex]\sqrt{43}[/tex] ≈ 6.6
Step-by-step explanation:
What is the range of the function on the graph?
LO
4
all the real numbers
O all the real numbers greater than or equal to 0
O all the real numbers greater than or equal to 2
O all the real numbers greater than or equal to -3
21
2 1
2 3 4 5 x
-5 -4 -3 -2 -11
-2
-3
-4
-5
the answer is all real numbers
The range of the function on the graph are all the real number greater than or equal to -3.
What is Function?A function is a relation from a set A to a set B where the elements in set A only maps to one and only one image in set B. No elements in set A has more than one image in set B.
Given the graph of a function.
A function f(x) has the domain equal to the all values of x that the function is defined for.
Range of the function is the set of all the values of the function for the x in the domain.
Here, the function values are from infinity to -3 and then again mover from -3 to infinity.
So the range consists of all the real numbers from -3.
Hence the range of the function is the set of all real numbers from -3.
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Fill out the following data table using the equation y=3x-5
Using the periodic table, choose the more reactive nonmetal.
Si or S
Answer:
S
Step-by-step explanation:
S is closer to the top right of the table, which is a generally good rule for determining reactivity of NONMETALS. METAL reactivity increases to the bottom left.
3X +17+ 5X equals 7X +10
Answer:
I think the answer is x= -7.
An elementary school has 1,134 seeds. The seeds will be planted in 27 rows.
Each row will have the same number of seeds. How many seeds will be planted
in each row?
Answer:
42 seeds
Step-by-step explanation:
You would first divide 1,134 seeds by 27 rows. You would get 42 seeds per row, and that would be your answer.
Find the slope of the line that passes through (-44, 7) and (-4, 99).
-4x 3 y 2(7xy 4) i need help
Answer:
−672x2y2
Step-by-step explanation:
The answer is:
-28x^4y^6
mark runs 5 miles in 40 minutes. if he continues at the same rate can he run 14 miles in 120 minutes
a hemisphere has a volume of 381.7 inches .what is the radius of the hemisphere
Answer:cube root 381.7
Then half it too find the radius.
Step-by-step explanation:
Find the area of a square with side length x when x is equal to the given value.
Are the area of a square and the length of its side directly proportional? Justify
your answer.
x = 10 in.
Answer:100
Step-by-step explanation:
Answer:
100
Step-by-step explanation:
Because you multiply 10 * 10. Which equals 100. And they are not directly proportional quantities.
Reupload please help this is due in 2 hours DONT ANSWER IF U DONT KNOW:)
1) The value of y varies directly with x. If x = 3, then y = 13.
Show your work for finding the value of x when y = 39?
Answer:
When y is 39 x is 3.
Step-by-step explanation:
Proportions!
x = 3
y = 13
We need to find our multiplier first. How did 13 turn into 39?
39/13 = 3
13 * 3 = 39
We multiplied by 3!
Now we multiply x by three to keep the propotion, proportional!
x= 3
(3) * 3 = 9
Now we make the proportion
3 : 39
When y is 39 x is 3.
Consider Brainliest! Hope this helped!
The sum of two numbers is 29 The difference is 9 Find the numbers
Answer:
19 and 10
Step-by-step explanation:
please mark brainliest :))
PIC BELOW
Need answer ASAP
Option D. 17/10 or 1.7 is correct or 1 7/10 is also correct :)
Answer:
I'm sure the answer is 1 7/10
Step-by-step explanation:
I fixed my computer. Here's the reason:
7/2 - 9/5 = 17/10 = 1 7/10
Sorry about the last question hope this one helps! :3
Which points (0,6) (7,9) (2,3) go through the line 3x+2y=12
Use always, sometimes or never to make a true statement:
Intersecting lines are _____________ coplanar.
Two planes _____________ intersect in exactly one point.
Three points are _____________ coplanar.
A plane containing two points of a line _____________ contains the entire line.
Four points are _____________ coplanar.
Two lines _____________ meet in more than one point.
Two skew lines are __________ coplanar.
Line TQ and Line QT and are _________ the same line.
Answer:
1. Intersecting lines are always coplanar
2. Two planes never intersect in exactly one point
3. Three points are always coplanar
4. A plane containing two points of a line always contains the entire line
5. Four points are sometimes coplanar
6. Two lines never meet in more than one point.
7. Two skew lines are never coplanar
8. Line TQ and Line QT are always the same line.
Step-by-step explanation:
Note: Coplanar means "In the same plane"
1. Each line exist in many planes. But different lines must share at least one plane for them to intersect. That is why intersecting lines are always coplanar.
2. Two planes never intersect at exactly one point because only lines intersect at a point. Planes can only intersect along a line.
3.Three points are always coplanar because in geometry, a group of points are coplanar because there is a geometric plane that they all lie on.
4. A plane containing two points of a line always contains the entire line. Yes
5. Four points are only sometimes coplanar because there is a probability that they may all not lie on the same plane
6. Two lines never meet in more than one point because lines are basically straight and cannot bend over to intersect at another point
7. Two skew lines are never coplanar because skews lines are lines that do not intersect and are never parallel.
8. Line TQ and Line QT are always the same line because a line is straight and extends from one point to the other. So, if a line is labelled TQ calling it QT means the same thing