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posledela
3 years ago
5

ou are going to estimate how long a person holds down a button on their calculator by randomly selecting people and asking them

to do something on your calculator (which has a special timer to record how long the enter button is pressed). You practiced on the people at work and found a standard deviation of about 0.59 seconds. You want to get a 95% confidence interval that is only 0.12 in width. How many people do you need to have in your study
Mathematics
1 answer:
N76 [4]3 years ago
7 0

Answer:

Привет! Кто-нибудь читал Криспину крест ведущего? Если да, то может ли кто-нибудь дать мне представление о том, как он изменился в этой истории! Спасибо за ваше время!

Step-by-step explanation:

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Ally is making a scale diagram of her classroom. She uses a scale factor of 3 centimeters per foot to draw the diagram. The actu
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18*3 = 54

20*3 = 60

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6 0
3 years ago
Anybody know the answer?
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3 years ago
I have one more question I can figure out how to get the answer via the calculator but I'm not sure how I got there
valentinak56 [21]

Answer:

43.6 * 2.94 = 436/10 * 294/100 = (436 * 294)/1000 = 128184/1000 = 128.184

4 0
3 years ago
Brielle and Joshua are running a half marathon race, which is
Salsk061 [2.6K]

Answer and Explanation:

Brielle will run the marathon faster.

Work:

Brielle: 13.1/1.25=10.48*10=104.8 minutes

Joshua: 13.1/1.5=8.73...*18=157.2 minutes

Brielle finished in 104.8 minutes.

Joshua finished in 157.2 minutes.

Brielle finished the half marathon race by 52.5 minutes faster than Joshua.

Hope this helps!!! PLZ MARK BRAINLIEST!!!

7 0
4 years ago
The $25.00 shirt costs the store $20.00. Find the markup rate.
pochemuha

Answer:

25%

Step-by-step explanation:

3 0
4 years ago
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