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slega [8]
3 years ago
11

The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customer

s to check out was 3 minutes. It is known that the standard deviation of the population of checkout times is 1 minute. The 95% confidence interval for the true average checkout time (in minutes) is
Mathematics
1 answer:
Temka [501]3 years ago
4 0

Answer:

100/3=33

Step-by-step explanation:

33 minuets for the true average checkout time.

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The equation of line AB is y 5x+ 1. Write an equation of a line paraliei to line AB in slope-intercept form that contains point
Alchen [17]

Answer:

The equation would be y = 5x - 15

Step-by-step explanation:

To find the equation to this line, we first have to note that parallel lines have the same slope. Since the original line has a slope of 5, we know that the new line will also have that slope. Then we can use the slope and the point in point-slope form and solve for y.

y - y1 = m(x - x1)

y - 5 = 5(x - 4)

y - 5 = 5x - 20

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7 0
3 years ago
Read 2 more answers
I need all of these awnser a please !
valentinak56 [21]
8.180-65-90=25
180-80-60=40
So, 180-40-25=115.

9.(180-40)divide by 2=70
X=180-70
X=110

10.180-118=62
So, 180-62-90
=28

11.not confident yet

12.180-60=120

13. (180-66)divide by 2 =57
180-57=123
(180-123)divide by 2
=28.5

14.180-68-44=68
180-58-73=49
So,180-68-49=63
(Its the same)
3 0
3 years ago
0.07 is closest to 0,1, or 1/2?
gulaghasi [49]
0 is the right answer.
3 0
3 years ago
Write the number with the same value as 28 tens
pantera1 [17]
The answer would be 280 because 28x10 is 280
8 0
3 years ago
Wendy jarred 8 liters of jam after 2 days. How many days does Wendy need to spend making jam if she wants to jar 32 liters of ja
Jlenok [28]

Answer:

8 days

Step-by-step explanation:

it takes her two days to make 8 liters so for every 8 liters you add on two more days. 8:2, 16:4, 24:6, 32:8

4 0
3 years ago
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