2 years ago

A company owns two stores and recorded data for the number of days missed by employees.

Mathematics

1 answer:

sdas [7]2 years ago

7 0

Answer:

a) false, median is 1 for each store

b) false, median at store 2 is 1

c) true

Step-by-step explanation:

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the entire bag is about 800 calories. one serving is 1/5 of the bag. how many calories is in one serving?

Svetradugi [14.3K]

Answer: 160 calories

Step-by-step explanation:

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3 years ago

Brianna earned $240.00 for 20 hours of work. How much was earned per hour?

nalin [4]

$12 were earned per hour

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2 years ago

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The height of the tunnel at the center is 54 ft, and the vertical clearance must be 18 ft at a point 8 ft from the center. Find

IrinaVladis [17]

the standard form for a horizontal ellipse is

X^2/a^2 + y^2/b^2 = 1

Substitute 54 for b and and use (8,18) as the

point to find a

x=8

y=18

8^2/a^2 + 18^2/54^2 =1

64/a^2 + 324/2916 = 1

324/2916 reduces to 1/9

64/a^2 + 1/9 = 1

64/a^2= 1-1/9

64/a^2 = 8/9

64*9/8 = a^2

576/8 = 72

A^2 = 72

A = square root(72) = 8.485

So formula

would be x^2/72 + y^2/2916 =1

8 0

3 years ago

Consider a bell-shaped symmetric distribution with mean of 16 and standard deviation of 1.5. Approximately what percentage of da

fredd [130]

Answer: 95.45 %

Step-by-step explanation:

Given : The distribution is bell shaped , then the distribution must be normal distribution.

Mean : $\mu=\ 16$

Standard deviation : $\sigma= 1.5$

The formula to calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x = 13

$z=\dfrac{13-16}{1.5}=-2$

For x = 19

$z=\dfrac{19-16}{1.5}=2$

The p-value = $P(-2$

$0.9772498-0.0227501=0.9544997\approx0.9545$

In percent, $0.9545\times100=95.45\%$

Hence, the percentage of data lie between 13 and 19 = 95.45 %

6 0

3 years ago

Help plz I’ll mark Brainly

MrMuchimi

Answer:x=2; second option

Step-by-step explanation:

120+10x=140

10x=20

X=2

8 0

3 years ago

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