2 years ago

Help!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Doss [256]2 years ago

3 0

Answer:

Never

Step-by-step explanation:

R and S intersect in Point T

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Rasek [7]

Answer:

Step-by-step explanation:

Given that an automatic machine is set to fill bags of dog food with exactly 25 pounds on average with a standard deviation of 0.5 pounds.

Sample size = n =100

x bar = 24.85 pounds

Sample std error = $\frac{\sigma}{\sqrt{n} } =0.05$

Hypotheses:

$H_0: x bar = 25\\H_a: x bar \neq 25$

(Two tailed test at 5% level)

Mean difference =0.15

Test statistic = mean diff/se = 3

Since population std dev is known z test can be used

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Since p <0.05 we find that the bag does not contain exactly 25 pounds.

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2 years ago

Can someone explain to me how to solve this please

pashok25 [27]

The statement "y varies directly as x," means that when x increases, y increases by the same factor. In other words, y and x always have the same ratio: y/x =K

it can be written as ---> y=kx

then put in the values to get a common ratio
k= y/x
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therefore, there's no common ratio in the given table

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2 years ago

What is the value of the expression, written in standard form?

Vladimir79 [104]

Answer:

For example, (6.6x10^-2)/(3.3x10^-4) you trun it into a demical fraction like 0.066/0.00033

The answer is 200. Hope this helps brainly if this helps!

Step-by-step explanation:

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