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IrinaVladis [17]
2 years ago
9

A local hamburger shop sold a combined total of 822 hamburgers and cheeseburgers on Monday. There were 72 more

Mathematics
1 answer:
leva [86]2 years ago
5 0

Answer:

650

Step-by-step explanation:

822-72=650

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A farmer has a square plot of land he needs defense he walked to the diagonal of the plot of land and found it to be 80 yards ho
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g A visit to a hospital emergency room for something as simple as a sore throat could have a mean cost of $328. Assume that this
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Answer:

The cut-off dollar amount is $328.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

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

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

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This means that \mu = 328, \sigma = 82

If you want to be in the bottom 50%, what will be the cut-off dollar amount?

The 50th percentile, which is X when Z has a pvalue of 0.5. So X when Z = 0.

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The cut-off dollar amount is $328.

7 0
2 years ago
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