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mario62 [17]
2 years ago
7

A toy manufacturer wants to see how long, on average, a new toy captures children's attention. he tests children selected at ran

dom and finds that their mean attention span is minutes with a standard deviation of minutes. if we assume that attention spans are normally distributed, find a confidence interval for the mean attention span of children playing with this new toy. then find the lower limit and upper limit of the confidence interval.
carry your intermediate computations to at least three decimal places. round your answers to one decimal place. (if necessary, consult a list of formulas.)

lower limit:

upper limit:
SAT
1 answer:
bearhunter [10]2 years ago
7 0

Answer: Lower CI=21-t(0.025, 16)*7/sqrt(17)=21-2.12*7/sqrt(17)=17.4

upper CI=21+t(0.025, 16)*7/sqrt(17)=21+2.12*7/sqrt(17)=24.6

Explanation: Because there both close and equal

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Crop yield is the ratio of the number of bushels harvested to the number of acres used for the harvest. This year, the harvest a
ivanzaharov [21]

Based on the information given the number of acres that was harvested is  553 acres.

Using this formula

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Where:

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Let plug in the formula

Number of acres=94,010/170

Number of acres=553 acres

Inconclusion the number of acres that was harvested is  553 acres.

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6 0
3 years ago
Your company was recently served with a lawsuit quizlet.
zlopas [31]

In accordance with GAAP, the action you should take when the company was served with a lawsuit is to provide a disclosure on financial statements regarding the pending litigation.

<h3>What is GAAP?</h3>

GAAP means Generally accepted accounting principles which is a accounting standards that guides the details, complexities and legalities of accounting.

<h3 />

In conclusion, the action you should take when the company was served with a lawsuit is to provide a disclosure on financial statements regarding the pending litigation.

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Read more about GAAP

<em>brainly.com/question/17895474</em>

4 0
3 years ago
A dilation produces a smaller figure. Which is a possible scale factor? –2 one-third 1 4.
Sedbober [7]

Answer:

we know that

if a dilation produces a smaller figure

then

0< scale factor <1

so

case A) -2------> the scale factor must be a positive number

case B) 1/3----> 0< 1/3 <1---> is a possible scale factor

case C) 1------> this scale factor does not not produce a smaller figure, it produces the same figure

case D) 4----> this scale factor produces a larger figure

the answer is

1/3

Explanation:

please mark branlyist if correct

7 0
3 years ago
Since the letter adds suspense and moves the story forward, the letter can be viewed as a point of view. A plot device. The clim
Soloha48 [4]

Answer:

b

Explanation:

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8 0
2 years ago
The relationship between marine iguanas and algae they eat is an example of.
Andrej [43]

Answer:

food chain? circle of life?

Explanation:

3 0
2 years ago
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