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Alex777 [14]
3 years ago
11

Please help me! I need the anwser asap​

Mathematics
1 answer:
sasho [114]3 years ago
3 0
What is the question you are trying to ask
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A random sample of 41 cars in the drive-thru of a popular fast food restaurant revealed an average bill of $19.55 per car. The p
Rashid [163]

Answer:

19.55\pm2.145

Step-by-step explanation:

We use the equation \bar x\pm z^*\sigma/\sqrt n, where \bar x=19.55, \sigma=6.33, n=41, and z^*=2.17. We obtain z^* from the z-score of a 0.97 confidence level.

8 0
3 years ago
How many tablespoons are in 1/2 cup
evablogger [386]

Answer:

8

Step-by-step explanation:

4 0
3 years ago
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Which could be the first step in simplifying this expression (x^3x^-6)^2
exis [7]
If you follow PEMDAS 
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then you should look in the parentheses and multiplying 3x should be your first step IF you know x
hope this helps :)

5 0
3 years ago
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Given data below, what is the mean absolute deviation? <br> 58,88,40,60,72,66,80,48
JulijaS [17]
Mean is 64 and the mean absolute deviation is 12.5
3 0
4 years ago
Which inequality represent the statement: John is at least 5 feet tall.
belka [17]

Answer:

h\geq 5 \text{ feet}

Step-by-step explanation:

Considering John's height as h, saying that his height is at least 5 feet tall, it implies that the lowest height for John is h=5

So, inequality is

h\geq 5 \text{ feet}

7 0
3 years ago
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