3 years ago

HELP MEEEE I really need help

Mathematics

1 answer:

BigorU [14]3 years ago

6 0

Answer:

4 1/4

Step-by-step explanation:

you have to find a equal denominator then simplify

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Write a whole number that rounds to 700,000 if we are rounding to the nearest hundred thousand.

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I think 1,000,000 or 800,000

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ExtremeBDS [4]

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He got it

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Parallel,perpendicular or neither

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Murljashka [212]

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3 years ago

The distribution of the amount of money spent by first-time gamblers at a major casino in las vegas is approximately normal in s

Lostsunrise [7]

Solution: We are given:

$\mu=600, \sigma =120$

We need to find the z value corresponding to probability 0.84, in order to find the how much money almost 84% of gamblers spent at casino.

Using the standard normal table, we have:

$z(0.85) = 0.9945$

Now we will use the z score formula to find the required amount:

$z=\frac{x-\mu}{\sigma}$

$0.9945=\frac{x-600}{120}$

$0.9945 \times 120 = x - 600$

$119.34 = x - 600$

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$x = 720$ approximately

Therefore, almost 84% of gamblers spent more than $720 amount of money at this casino.

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HELP MEEEE I really need help ​

HELP MEEEE I really need help