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Fantom [35]
3 years ago
5

For the following geometric sequence find the explicit formula. {12, -6, 3, ...}

Mathematics
1 answer:
Furkat [3]3 years ago
5 0
X divide by -2

this is your formula

x/ (-2)

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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
s344n2d4d5 [400]

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

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

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:

X \sim N(3420,495)  

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 %

6 0
3 years ago
An author signed copies of her newest book for 57 minutes until the bookstore closed at 5:00 What time did the author begin sign
maks197457 [2]

Answer:

4:03

Step-by-step explanation:

8 0
3 years ago
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mario62 [17]
I think a is your answer
7 0
3 years ago
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Abdul rolls a fair six-sided die and a fair four-sided die simultaneously. The sample space of all possible
gregori [183]

Answer: 7/24

Step-by-step explanation:

Probability is the branch of mathematics that is concerned with the numerical descriptions of how likely an event will occur or how likely a proposition is true

The probability that the six-sided die is three or Abdul rolls doubles is 7/24. The calculation is attached.

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3 years ago
How do you calculate the area of triangle DEF?
cricket20 [7]
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8 0
3 years ago
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