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34kurt
2 years ago
10

Please explain as well!

Mathematics
2 answers:
zepelin [54]2 years ago
7 0

Answer:

For the first one it's 8.25 and the second one is 7.625. I found this by dividing the cost to the sandwich to find the unit rate. (Does that help?)

Triss [41]2 years ago
3 0

Answer:

I do know the first one is 8.25 but I'm not sure the second one.

(Also, if anyone see this answer, can any of you guys go answer a question I have?) Thx!

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Suppose that a hypothesis test is conducted. 12 out of 100 subjects have the necessary qualities. The null hypothesis is that th
Veronika [31]

Answer:

Option A

The p-value is less than the significance level of 0.05 chosen and so we reject the null hypothesis H0 and can conclude that the proportion of the subjects who have the necessary qualities is less than 0.2.

Step-by-step explanation:

Normally, in hypothesis testing, the level of statistical significance is often expressed as the so-called p-value. We use p-values to make conclusions in significance testing. More specifically, we compare the p-value to a significance level "α" to make conclusions about our hypotheses.

If the p-value is lower than the significance level we chose, then we reject the null hypotheses H0 in favor of the alternative hypothesis Ha. However, if the p-value is greater than or equal to the significance level, then we fail to reject the null hypothesis H0

though this doesn't mean we accept H0 automatically.

Now, applying this to our question;

The p-value is 0.023 while the significance level is 0.05.

Thus,p-value is less than the significance level of 0.05 chosen and so we reject the null hypothesis H0 and can conclude that the proportion of the subjects who have the necessary qualities is less than 0.2.

The only option that is correct is option A.

5 0
3 years ago
Read 2 more answers
Ana drinks chocolate milk out of glasses that each hold 1/8 of a liter
maxonik [38]

Answer:

5 3/5

Step-by-step explanation:

Convert 1/8 to 10/80 and 7/10 to 56/80 56/10= 5 3/5

7 0
3 years ago
Simplify the expression in exponential notation.<br><br> a • a • a
vladimir2022 [97]

the answer would be a³

8 0
3 years ago
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Can someone help me please
ki77a [65]
<span>x = -2.375 Hopefully that helps :)</span>
8 0
3 years ago
What is the answer to (5x3)-18​
Fittoniya [83]

Answer:

-3

Step-by-step explanation:

5*3=15

15-18= -3

5 0
3 years ago
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