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Rufina [12.5K]
3 years ago
5

How smart are you? a woman walks into a store and steals a $100

Mathematics
1 answer:
Alex3 years ago
7 0
Um I don't get it can you be more Pacific please


I think it's -$100
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According to the empirical (69-95-99.7) rule, if a random variable z has a standard normal distribution, then approximately 95%
Dmitry_Shevchenko [17]

Using z-scores, it is found that the value of z is z = 1.96.

-----------------------------

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula, which for a measure X, in a distribution with mean \mu and standard deviation \sigma, is given by:  

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.
  • Each z-score has an associated p-value, which is the percentile.

  • The normal distribution is symmetric, which means that the middle 95% is between the <u>2.5th percentile and the 97.5th percentile</u>.
  • The 2.5th percentile is Z with a p-value of 0.025, thus Z = -1.96.
  • The 97.5th percentile is Z with a p-value of 0.975, thus Z = 1.96.
  • Thus, the value of Z is 1.96.

A similar problem is given at brainly.com/question/16965597

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3 years ago
Find the value of the expression given below. 2/3-1/7
vivado [14]

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Step-by-step explanation:

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3 years ago
Uptown Country Club only admits members with annual incomes in the top 2.5% of the United States. If the annual individual incom
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Answer:

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Step-by-step explanation:

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3 years ago
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