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Alexxandr [17]
3 years ago
15

B. There are 7 red, 8 green, and 6 blue marbles in the bag. Kate is going to

Mathematics
1 answer:
MrRa [10]3 years ago
6 0

Answer:

Probability of event

0.34

Step-by-step explanation:

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Suppose you are conducting a survey about the amount grocery store baggers are tipped for helping customers to their cars .for a
ELEN [110]

Using the Empirical Rule and the Central Limit Theorem, we have that:

  • About 68% of the sample mean fall with in the intervals $1.64 and $1.82.
  • About 99.7% of the sample mean fall with in the intervals $1.46 and $2.

<h3>What does the Empirical Rule state?</h3>

It states that, for a normally distributed random variable:

  • Approximately 68% of the measures are within 1 standard deviation of the mean.
  • Approximately 95% of the measures are within 2 standard deviations of  the mean.
  • Approximately 99.7% of the measures are within 3 standard deviations of the mean.

<h3>What does the Central Limit Theorem state?</h3>

By the Central Limit Theorem, the sampling distribution of sample means of size n has standard deviation s = \frac{\sigma}{\sqrt{n}}.

In this problem, the standard deviation of the distribution of sample means is:

s = \frac{0.657}{\sqrt{50}} = 0.09

68% of the means are within 1 standard deviation of the mean, hence the bounds are:

  • 1.73 - 0.09 = $1.64.
  • 1.73 + 0.09 = $1.82.

99.7% of the means are within 3 standard deviations of the mean, hence the bounds are:

  • 1.73 - 3 x 0.09 = $1.46.
  • 1.73 + 3 x 0.09 = $2.

More can be learned about the Empirical Rule at brainly.com/question/24537145

#SPJ1

5 0
2 years ago
At Brick House Masonry Supply, it is time for annual pay raises for the fork lift operators.
Dvinal [7]

Answer:

divided it then add it, i think

Step-by-step explanation:

23.04/3.125=7.3728

22.75/0.04=568.75

wait nvm dont add or sutract those bc you will get a long number, i forgot whats the proper name for it. sorry.

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2 years ago
Giving 20 points to the right person if your wrong your getting reported
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Answer:

730

Step-by-step explanation:

A(X)= 2πRH+2πR^2

A(X)=2π(7.5)(8)+2π(7.5)^2=730.42 = 730

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3 years ago
How would you expand log412 so that it can be evaluated, given log43 ≈ 0.792?
BigorU [14]
The answer is C just guessed and i got it right.
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3 years ago
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Charlotte drives 192 miles in 3 hours.
Dovator [93]
I think it’s h=64m because it just makes sense the most
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2 years ago
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