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dolphi86 [110]
3 years ago
5

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

e in the US has a mound-shaped symmetrical distribution with a mean of $55,000 and a standard deviation of $10,000, what is the approximate minimum annual income required for admission to the country club?
Mathematics
1 answer:
Verdich [7]3 years ago
5 0

Answer:

$74,600

Step-by-step explanation:

-Given the probability is 2.5%, mean=$55,000 and standard deviation= $10,000

-We find the z value of 2.5%

p=P(z>\frac{X-\mu}{\sigma})\\\\1.96=P(z

Hence, the minimum amount of income to be in the top 2.5% is $74,600

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