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Charra [1.4K]
3 years ago
12

A large restaurant chain is curious what proportion of their customers in a given day are new customers. They are thinking of ta

king a sample of either n=50 or n=100 customers and building a one-sample z interval for a proportion using the data from the sample. Assuming the sample proportion is the same in each sample, what is true about the margins of error from these two samples?
Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
6 0

Answer:

none of the above

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You put $500 in a savings account. The account earns $15.75 simple interest in 6 months. What is the annual interest rate? Show
marta [7]
So in 6 months (1/2yr) you earned $15.75 interest, if we double that we find the total interest you would gain for that year, 15.75x2= $31.5 total interest for that year.

To find the annual rate divide the interest gained by the amount deposited, 31.5/500 = 0.063% p.a.
3 0
3 years ago
B. Solve for the product of the following fractions. Express your answer in simples form.
sladkih [1.3K]

Answer:

  1. 5/9
  2. 1/5
  3. 1/7
  4. 5/54
  5. 1/4
  6. Hope it helps you
5 0
3 years ago
A line has a slope of 8 and includes the points (1, z) and (2,8). What is the value of z?
NISA [10]

The value of z is zero

Step-by-step explanation:

The slope is the steepness of the line.

The formula for slope is given by:

m=\frac{y_2-y_1}{x_2-x_1}\\Here\\(x_1,y_1)\ are\ the\ coordinates\ of\ first\ point\ on\ line\\(x_2,y_2)\ are\ the\ coordinates\ of\ second\ point\ on\ line

Here

(x1,y1) = (1,z)

(x2,y2) = (2,8)

So,

m=\frac{y_2-y_1}{x_2-x_1}\\8 = \frac{8-z}{2-1}\\8=\frac{8-z}{1}\\8-8 = -z\\z = 0

The value of z is zero

Keywords: slope, Line

Learn more about slope at:

  • brainly.com/question/10879401
  • brainly.com/question/10940255

#LearnwithBrainly

6 0
3 years ago
Explain how you would graph 3x+9y= -18 without converting to slope-intercept form​
Zolol [24]

Answer:

you would solve using x and y intercepts.

Step-by-step explanation:

for the X intercept, Y=0

3x=-18. you divide by three on both sides

x=-6. (-6,0)

the for the y intercept, X=0

+9y=-18. you divide 9 on both sides.

y=-2. (0,-2)

then you graph both and connect the points on the x and y axis.

Brainiest always accepted!!!!1

8 0
4 years ago
If a puzzle has 5 empty squares and 5 shades in, what improper fraction represents the shaded part?
LenaWriter [7]

Answer:

5/10

Step-by-step explanation:

5+5=10. so 5 empty 0/10 5 shaded 5/10

4 0
3 years ago
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