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Allisa [31]
2 years ago
13

All tickets for a Post Malone concert are the same price. The ticket agency adds a fixed fee to every order. A person who orders

3 tickets pays $92. A person who orders 5 tickets pays $142.
A. Write an equation relating the total cost to the number of tickets purchased.




B. How much do 8 tickets cost?
Mathematics
1 answer:
luda_lava [24]2 years ago
6 0

Answer: B.

$234

Step-by-step explanation:

92+142

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Answer:

1. z = -1.91429

The z score tells us that the head circumference of the girl with the down syndrome ( 44.5 cm) is 1.91429 standard deviations below the mean or average head circumference

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Step-by-step explanation:

1. Relative to the WHO data, what is this girls z-score?

z score formula is:

z = (x-μ)/σ, where

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σ is the population standard deviation = 1.40cm

z = 44.5 - 47.18/1.40

z = -1.91429

What does the z score tell us?

The z score tells us that the head circumference of the girl with the down syndrome ( 44.5 cm) is 1.91429 standard deviations below the mean or average head circumference

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Probability value from Z-Table:

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