For a 4-unit class like Statistics, students should spend average of 12 hours studying for the class. A survey
was done on 23 students, and the distribution of total study hours per week is bell-shaped with a mean of
14 hours and a standard deviation of 2.9 hours.
Use the Empirical Rule to answer the following questions.
a) 68% of the students spend between
hours and
hours on Statistics each week.
b) 95% of the students spend between
hours and
hours on Statistics each week.
C) 99.7% of the students spend between
hours and
hours on Statistics each week.
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Answers

Answer 1
Snnanamannajajajjskana

Related Questions

WORTH 15 POINTS
⚠️MAKE SURE TO USE SURDS ⚠️
ANSWER ASAP WILL GIVE BRAINLIEST

Answers

Answer:

i got 1.23 don't think its right though so someone check me

Step-by-step explanation:

Answer:

3

Step-by-step explanation:

First thing is you have to do the square root of 3. Which will give you a crazy long decimal but then after you square it, it becomes 3 perfectly.

What would the x and y intercept for the following question? 5x+10y=20

Answers

Answer:

y= 1/2x+2

y int is 2

x int is -2

Step-by-step explanation:

plug in 0 for y int

set the equation equal to 0 for x int

Please help, I think it’s 30 but I’m not sure. You will get 23 points

Answers

Answer:

Option E = $170

Step-by-step explanation:

Since it's not his money, its not profit for the owner. If he had not stolen the money the man would have had his $100 in the cash register and $70 more for whoever buys the bag.

Answer:

I think your right! like idek how the hell that would be wrong-

Step-by-step explanation:

Which equation represents a line that passes through (–9, –3) and has a slope of –6?

Answers

Answer:

y=-6x-57

Step-by-step explanation:

point slop form:

y+3=-6 times (x+9)

sup help me plz owo owo

Answers

The answer should be 8x^2-4x-5
8x^2-4x-5 I think I am not sure

What is 3z + 2 when z = 2?

Answers

The value of the given equation is 8.

Given that,

The value of z = 2.

calculation is as follows:

= 3z + 2

= 3(2) + 2

= 6 + 2

= 8

Find out more information about the equation here:https://brainly.com/question/2263981?referrer=searchResults

The answer is "8".

Given:

3z + 2 and z = 2

To find:

value=?

Solution:

Therefore,

[tex]\to 3z + 2 \\\\\because \\\\\to z = 2\\[/tex]

putting the value of z into the above-given equation then:

[tex]\to 3(2)+2\\\\\to 6+2\\\\\to 8[/tex]

The final answer is "8".

Find out more information about solving here:

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PLEASE HELP ASAP 50 POINTS ONLY ANSWER IF YOU ARE 100% SURE IT'S CORRECT
On a coordinate plane, two parabolas open up. The solid-line parabola, labeled f of x, goes through (negative 2, 4), has a vertex at (0, 0), and goes through (2, 4). The dashed-line parabola, labeled g of x, goes through (3, 6), has a vertex at (5, 2), and goes through (7, 6).
What is the equation of the translated function, g(x), if
f(x) = x2?

A: g(x) = (x + 5)2 + 2
B: g(x) = (x + 2)2 + 5
C: g(x) = (x – 2)2 + 5
D: g(x) = (x – 5)2 + 2

Answers

Answer:

D

Step-by-step explanation:

Option 4.

The vertex form of a parabola is

where, a is a constant (h,k) is the vertex.

The given function is

The vertex of the function is (0,0) and it goes through (-2, 4) and (2, 4).

It is given that the vertex of function g(x) is at (5,2).

Substitute h=5 and k=2 in the equation.

g(x) is passed through (3, 6).

 Divide both sides by 4.

Substitute a=1 in equation (2).

The function g(x) is g(x) =(x-2)2+5) .

Therefore, the correct option is 4.

hope this helps

Answer:

D

Step-by-step explanation:

1.5m^6(-2m^2)^4
find the product​

Answers

the answer is:
24m^14

Please answer my question is you know???

Answers

Answer:

8

Step-by-step explanation:

you just need to count the number of squares

Answer:

The area is 8.

Step-by-step explanation:

Count the amount of squares to determine the area. MARK ME BRAINLIEST!!

HELP! 10 POINTS!!!!!!!

Answers

Answer: Graph A

Step-by-step explanation:

SLOPE : rise over run, so from any point, if 3 units go up, 4 units go right, and there should be a another point

Y-INTERCEPT : -3

Find h(-5) for the function h(x)= -5x+9.
h(-5) =

Answers

Answer:

h(-5) = 34

Step-by-step explanation:

h(x) = -5x + 9

h(-5) = -5(-5) + 9 = 25 + 9 = 34

What fraction is equivalent to 0.125

A. 1/10
b. 1/8
c. 1/16​

Answers

Answer:  B) 1/8

The digit 5 is in the thousandths place

So 0.125 = 125/1000

To reduce 125/1000, we'll divide each part by the GCF 125

125/125 = 1

1000/125 = 8

So 125/1000 = 1/8 meaning that 1/8 = 0.125

The regular octagon shown is divided into 8 congruent triangles. Each triangle has an area of 2.17 square centimeters. The perimeter of the octagon is 48 centimeters. What is the length of each side of the octagon?

Answers

Answer:

The length of each side of the Octagon is 6 centimeters

Step-by-step explanation:

An Octagon is an 8 sided polygon

The perimeter of the octagon can be obtained by the addition of all the sides of the octagon

Since it is a regular octagon, it means that all the sides are of equal length

Mathematically, what this mean is that the perimeter of the Octagon is simply 8s

where s is the length of the side of the Octagon

Thus, mathematically, the length of each side of the Octagon will be 48/8 = 6 centimeters

Answer:

180 cm2

Step-by-step explanation:

You make a necklace using blue,purple and green beads in ratio of 1:3:5. You use a total of 126 beads. How many green beads are in the necklace?

Answers

14 blue, 42 purple, 70 green. i believe

Answer:

Step-by-step explanation:

x + 3x + 5x = 126

9x = 126

x = 14 (blue beads)

3(14) = 42 (purple beads)

5(14) = 70 (green beads)

Translate the following statement: "Your grade, g, must be at least
75 to pass this class."

Answers

Answer:

"Your grade, g, must be at least  75 to pass this class'' is translated as:

g ≥︎ 75

Step-by-step explanation:

Given the grade is denoted by 'g'.

In algebra '≥︎' denotes that something must be 'greater than or equal to'. In other words, it means 'at least'.

As the gade must be at least 75, it means it can be greater than 75, but it can not be less than 75.

Therefore, "Your grade, g, must be at least  75 to pass this class'' is translated as:

g ≥︎ 75

A museum has 6,000 visitors in its first month of operation. The museum staff predicts that the number of visitors will increase by 5% each month. Assuming that this prediction is true, how many visitors does the museum expect on the 7th month of operation?​

Answers

Multiply 5 by 6000 aka 30,000 then multiply 7 then to 210,000 please give brainliest

8100 visitors in 7th month.

What is Unitary Method?

The unitary technique involves first determining the value of a single unit,  followed by the value of the necessary number of units.

For example, Let's say Ram spends 36 Rs. for a dozen (12) bananas.

12 bananas will set you back 36 Rs. 1 banana costs 36 x 12 = 3 Rupees.

As a result, one banana costs three rupees. Let's say we need to calculate the price of 15 bananas.

This may be done as follows: 15 bananas cost 3 rupees each; 15 units cost 45 rupees.

given:

Visitor in first month= 6000

If the visitors will increase at the rate of 5% then

Visitors in second month

=6000+  6000 x 5/100

=6000 + 300

=6000

So, the visitors in 7 month

=6000+ 7(300)

=6000 +2100

=8100

Hence, there 8100 visitors in 7th month.

Learn more about unitary method here:

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#SPJ2

kenya found that 6 out of 9 students in her class have sports practice today. Based on the results , how many of the 270 students in the school have practice today

Answers

the answer is 180 students would have practice, hope this helps x



How do you write 4,000 in scientific notation

Answers

Answer:

4 x 10^3    

This is the answer now LEAVE ME ALONE PLZ

PLEASE HELP!!

What is the length of segment DF

Answers

Answer
DF=4
Explanation
8/4=2
2*2
4

Suppose that R and S are points on the number line.
If RS=12 and R lies at -14, where could S be located?

Answers

-0.85714285714

Just divide 12 by -14

Perform the following mathematical operation, and report the answer to the correct umber of significant figures 7.125*8.00

Answers

Answer:23☺️

Step-by-step explanation:

Answer:

57.0

Step-by-step explanation:

I got it from a calculator and when I typed it in, it was correct.

Lines a and b are parallel. Line c is a transversal. FInd the measures of all angles formed by a, b, and c, given each scenario. One of the angles measures 150 degrees.

Answers

Answer:

30° and 150°

Step-by-step explanation:

Given

Parallel lines a and b

Transversal c

Angle = 150°

Required

Determine the list of possible angles

A transversal divides a parallel line into two measure which add up to 180°

Given that one of the angles is 150°, the other angle would be 180° - 150°

Other angle = 180° - 150°

Other angle = 30°

Aside 30° and 150°, there's no other possible angle that can be formed by the given information

Answer:

30 and 150

Step-by-step explanation:

Given

Parallel lines a and b

Transversal c

Angle = 150°

Required

Determine the list of possible angles

A transversal divides a parallel line into two measure which add up to 180°

Given that one of the angles is 150°, the other angle would be 180° - 150°

Other angle = 180° - 150°

Other angle = 30°

Aside 30° and 150°, there's no other possible angle that can be formed by the given information

what do u call girl giving away 100 points and nothing to do?

Answers

Answer:

i dont know but thanks for the points

Step-by-step explanation:

The difference between each pair of consecutive terms in this arithmetic sequence is 1 1/4 . Find the next term in the sequence. 2 3/4, 4, 5 1/4, 6 1/2 , ...

Answers

Answer:

7 3/4

Step-by-step explanation:

6 1/2 +1 1/4=7 3/4

To find any number in a sequence given the distance between each number, just add the distance to the last number in the sequence

Please I’m really confused which one it is please help

Answers

Answer:

The top one on the left

Step-by-step explanation:

Using the properties of real numbers ,prove that a<b and c<d= a+c<b+d​

Answers

9514 1404 393

Explanation:

  a < b . . . . . given

  0 < b -a . . . . . addition property of inequality

  c < d . . . . . given

  0 < d - c . . . . . addition property of inequality

  0 < (b -a) +(d -c) . . . . addition is closed for positive real numbers

  a +c < b +d . . . . . addition property of inequality

Answer:

hello hope this pic helps

During the big storm, 29 in. of snow fell in 8 hours. Find the rate of snowfall in inches per hour.

Answers

Answer:

3 5/8 inches of snow per hour

Step-by-step explanation:

29 divided by 8 = 3.625

                             (3 5/8)

if 29 inches for 8 hours, and you need to find how much snow in one hour, you can get 1 hour from 8 hours by doing 8 divided by 8. You  use the same number to find the snow, divide 29 by 8 and you get the rate at which snow builds up.

Hope this wasn’t too confusing ^0^

ax = bc - c solve for x

Answers

Answer:

X = c - b/a

Step-by-step explanation:

Answer:

x=bc/a - c/a

You simplify it like you would any equation, only difference is it does not have numbers.

Your salary is $65,788. If you work fifty 40-hour weeks in a year, what is your hourly wage?

Answers

Answer:

$31.63 per hour

Step-by-step explanation:

hope this helped,brainliest

help meeeeeeeeee plzzzzzzzzzzzzz

Answers

Answer:

91 x

Step-by-step explanation:

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