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Paul [167]
2 years ago
7

Please do the following step by step ​

Mathematics
1 answer:
r-ruslan [8.4K]2 years ago
5 0

Answer:

look at the picture i have sent

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18. A sports store keeps track of how many skateboards they sell each
babymother [125]

Answer:

Step-by-step explanation:

%change=100(final-initial)/initial

%change=100(228-302)/302

%change=100(-74)/302

%change=-24.5%

8 0
3 years ago
Less than 75% of workers got their job through internet resume sites. A researcher thinks it has increased.
Vera_Pavlovna [14]

Answer:

H0 : p = 0.75  against    H1: p > 0.75  One tailed test.

Step-by-step explanation:

We state our null and alternative hypotheses as

H0 : p = 0.75  against    H1: p > 0.75  One tailed test.

In this case H0 is not defined as p≤ 0.75 because the acceptance and rejection regions cannot be set up. Therefore we take the exact value of H0 : p= 0.75.

The claim is that the probability of the workers getting their job through the internet is greater than 75% or 0.75.

As H0 is supposed to be less than we choose H1 to be greater than equality.

5 0
3 years ago
Calculate the mean and median for the data.<br> 24, 26, 40, 27, 37, 32
Olegator [25]

Answer:

mean is 31

median is 29.5

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Rewrite using standard notation : 8.07 x 10^3
sammy [17]
8070, because when it is a positive exponent you have to move the exponent to the right. When it is a negative exponent, you would move it to the left. Hope this helps :)
4 0
2 years ago
Kathy organised a wedding , guests had to choose their meal from pasta , chicken or beef 1/3 chose pasta 5/12 chose chicken and
Ilia_Sergeevich [38]

so together the amount of people who chose beef should be 4/12 since you must find the greatest commen factor. Then you should add 4/12 and  24 im thinking and you would get 24.3333 but if your looking for a mix number it would be 24 3333/1000

hope this helps!


7 0
3 years ago
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