A homeowner stays in a single location for an average of 20 years with a standard deviation of 5.7 years. What are the chances that someone lives in their home for 40 years or more?
Answer:
The Probability that someone lives in their home for 40 years or more
[tex]P(X\geq 40 ) = P( Z\geq3.50 )[/tex] = 0.0002
Step-by-step explanation:
Explanation:-
Given mean of the Population = 20 years
The standard deviation of the Population = 5.7 years
Let 'X' be the random variable in normal distribution
[tex]Z = \frac{x-mean }{S.D} = \frac{40-20}{5.7} = 3.508[/tex]
The Probability that someone lives in their home for 40 years or more
[tex]P(X\geq 40 ) = P( Z\geq3.50 )[/tex]
= 1 - P( Z< 3.50)
= 1 - ( 0.5 + A(3.50)
= 0.5 - 0.4998 ( from normal table )
= 0.0002
HELP ME PLSSS HURRY Which of the following graphs show a proportional relationship?
Choose all answers that apply:
y
8-
6+
4+
2+
2
1.
6
8
y
000
B
4-
>
2+
+
2
4
6
8
None of the above
Answer:
A
Step-by-step explanation:
A cuz it's accelerate..........
What is the sum of 9.37- 6
please help me please
Number of
Accidents
Number of
People
6
1
3
1
Answer:
there would be 11 accidents of people
Step-by-step explanation:
6+3+1+1= 11
or
6+3+2= 11
or
6+5 =11
Please answer will give brainliest to the best answer please make sure to explain!
A bag of marbles contains 2 white, 3 black, 1 red and 4 blue marbles. Cate draws one marble from the bag, looks at it and then replaces it. What is the probability that she will draw a black marble and then a black marble?
A) 9/10
B) 9/100
C) 3/5
D) 1/25
Step-by-step explanation:
Number of black marbles = 3
Total number of marbles = 2 + 3 + 1 + 4 = 10
P(Drawing a black marble) = 3/10
Since the drawing is replaced,
they are considered independent events.
=> P(Black marble, following by black)
= [P(Drawing a black marble)]²
= (3/10)²
= 9/100. (B)
A person draws a card from a hat. Each card is one color, with the following probabilities of being drawn: 1/15 for blue, 1/25 for green, 1/5 for pink, and 1/20 for black. What is the probability of pulling a black or pink card, written as a reduced fraction?
Answer:
Step-by-step explanation:
DAM I JUST STARTED LEARNING ABOut that
Find the distance between (-6, -5) and (2,0)
Answer:
[tex]\displaystyle d = \sqrt{89}[/tex]
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra II
Distance Formula: [tex]\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]Step-by-step explanation:
Step 1: Define
Point (-6, -5)
Point (2, 0)
Step 2: Find distance d
Simply plug in the 2 coordinates into the distance formula to find distance d
Substitute [DF]: [tex]\displaystyle d = \sqrt{(2+6)^2+(0+5)^2}[/tex]Add: [tex]\displaystyle d = \sqrt{(8)^2+(5)^2}[/tex]Exponents: [tex]\displaystyle d = \sqrt{64+25}[/tex]Add: [tex]\displaystyle d = \sqrt{89}[/tex]What’s 6 divided by 3/5
Answer:
The answer to the question provided is 10.
D'marjay is going to flip a coin 4 times. What is the fractional probability that it will be two heads and two tails (in any order)?
Answer:
3/8 or6/16
Step-by-step explanation:
which terms are like terms in the expression 5x + 9 + (-7x)
Answer:
5x and -7x
Step-by-step explanation:
they both end in the variable "x"
The length of a rectangle is 5 inches more than three times the width.The perimeter is 64 inches. Find the length and width.
Answer:
L=25.25 in
W= 6.75in
Step-by-step explanation:
Step one
Given data
Let the width be x
W= x
and length
L= 3x+5
Perimeter= 64 in
Step two:
we want to find the dimension of the rectangle
We know that perimeter is
P= 2W+2L
64= 2*x+2*(3x+5)
64= 2x+6x+10
collect like terms
64-10=8x
54= 8x
divide both sides by 8
x= 54/8
x= 6.75in
We know that the length is
L= 3x+5
L= 3*6.75+5
L= 20.25+5
L=25.25 in
2 + (3 + 5)2 ÷ 4 ⋅ 1 over 2 whole to the power of 4
Answer:
2 + (3 + 5)2 ÷ 4 ⋅ 1 over 2 whole to the power of 4
Step-by-step explanation:
Answer:
nauini
Step-by-step explanation:
What is this number in standard form?
(8 X 100) + (4 x 1) + (6 x 1/100 ) + (3 x 1/1000)
Answer:
804.063
Step-by-step explanation:
just multiply each part and add
800 +4 +.06 +.003
804.063
Which graph shows a proportional relationship between the number of hours of renting a camping tent and the total amounts back to work for camping tent?
Answer: Graph 2
Step-by-step explanation:
Click on the measure that is equivalent to 3 kilometers!
Answer:
3000
Step-by-step explanation:
Answer:3000
Step-by-step explanation:
Which of the ratios below has a unit rate of 8? Select all that apply.
A) 40:5
B) 24:16
C) 96:12
D) 48:6
E) 2:24
Max has 42 baseball cards. Jordan has b baseball cards. Max has 6 times as many baseball cards as Jordan Decide if each statement is correct. Choose Yes or No for each statement
Answer:
where are the statement?
Step-by-step explanation:
why is it when you take a shower and you come out clean, how does the towel become dirty? This some real mathematics
okay. so, when you wash your hair, there is no way to get 100% of the shampoo/conditioner out of your hair, so the excess it rubbed onto the towel. Say you have no hair. The shower isn't germ-free, so even if you feel clean, the towel and yourself is still a harbor of germs, good and bad.
Solve for x.
9 - 2x = 4x - 9
Answer: x = 3
Step-by-step explanation:
9 - 2x = 4x - 9
18 -2x = 4x
18 = 6x
x = 3
Answer:
1/3
Step-by-step explanation:
you add the 2x onto the 4x to get 6x on one side on the other side you add on the nine so now you have 18=6x then you divide by 18 to get 6/18 or simplified 1/3 also 33.3 as a decimal
There are 48 chicken farm, if each farm has a barns how many total are there?
The fastest car in the world can travel at a speed of over 250 miles every hour. This is about 4 times as fast as an average highway speed of 65 miles every hour.
Answer:
125
Step-by-step explanation:
A rectangular prism is a three-dimensional geometric figure, hollow or solid, contained by six rectangular sides that meet at right angles to form eight vertices. The maximum capacity of a rectangular prism is calculated with the formula,, where Volume and length, width, and height.
For a rectangular shaped box with a maximum capacity of 2.25 · 104 cubic meters, a length of 25 meters, a width of 2x meters and height of 1.5·102 meters, x =
meters.
Answer:B. C. D.
Step-by-step explanation:
©
x is two-third of y
Answer:
x is two-third of y[tex] \huge \boxed{x = \frac{2}{3} y}[/tex]
how many times can 200 go into 487
what number has a value between -5 and -4
Answer:
-4.5
Step-by-step explanation:
The response to a question has three alternatives: A, B, and C. A sample of 120 responses provides 60 A, 12 B, and 48 C. Show the frequency and relative frequency distributions.
Answer:
CLASS FREQUENCIES RELATIVE FREQUENCIES
A 60 0.5
B 12 0.1
C 48 0.4
TOTAL 120 1
Step-by-step explanation:
Given that;
the frequencies of there alternatives are;
Frequency A = 60
Frequency B = 12
Frequency C = 48
Total = 60 + 12 + 48 = 120
Now to determine our relative frequency, we divide each frequency by the total sum of the given frequencies;
Relative Frequency A = Frequency A / total = 60 / 120 = 0.5
Relative Frequency B = Frequency B / total = 12 / 120 = 0.1
Relative Frequency C = Frequency C / total = 48 / 120 = 0.4
therefore;
CLASS FREQUENCIES RELATIVE FREQUENCIES
A 60 0.5
B 12 0.1
C 48 0.4
TOTAL 120 1
4. Jensky is scuba diving while on vacation. Yesterday,he drove to -13.74 feet. Today,he plans to go 4 times as deep. How far is Jensky planning to dive today?
a) - 54.96 ft
b) - 17.74 ft
c) -9.74 ft
d) - 3.44 ft
what is 13+7x=27 pleae i really need help
Answer:
x=2 is the answer to this problem