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tangare [24]
3 years ago
14

The sum of a number and 9, times 12

Mathematics
1 answer:
Sliva [168]3 years ago
6 0

Answer:

1 + 9 x 12 = 120

2 + 9 x 12 = 132

3 + 9 x 12 = 144

4 + 9 x 12 = 156

5 + 9 x 12 = 168

Step-by-step explanation:

Any of the ones on top, but there are tons of others too

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Step-by-step explanation:

$13.00 - $5.00 = $8.00

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Birth weights in the United States are normally distributed with a mean of 3420 g and a standard deviation of 495 g. The Newport
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Answer:

P(2450

And we can find this probability with this difference:

P(-1.96

If we use the normal standard table or excel we got:

P(-1.96

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Step-by-step explanation:

Let X the random variable that represent the birth weights of a population, and for this case we know the distribution for X is given by:

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Where \mu=3420 and \sigma=495

We are interested on this probability

P(2450

And we can use the z score formula given byÑ

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

If we apply this formula to our probability we got this:

P(2450

And we can find this probability with this difference:

P(-1.96

If we use the normal standard table or excel we got:

P(-1.96

And that represent 95% of the data. so then the percentage below 2450 is 2.5% and above 4390 is 2.5 %

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3 years ago
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Step-by-step explanation:

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