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Aleksandr-060686 [28]
2 years ago
13

¿Cuál es la probabilidad de que al lanzar un dado se obtenga un número impar y menor que 5?

Mathematics
1 answer:
NemiM [27]2 years ago
5 0

Answer:

4/6 or 66.67 percent

Step-by-step explanation:

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Hi. I need help. This is for homework I would appreciate it if you helped.
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Answer:

Ik this isn't an answer but wanted to say good luck im battling stuff too :(

Step-by-step explanation:

3 0
2 years ago
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How many ways can a person with five ​nickels, three​ dimes, and two quarters make a 75-cent purchase from the​ machine?
DIA [1.3K]
2 quarters, 2 dimes, and 1 nickel
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Show all work. What are the zeros of the function?<br> f(x) = 2x^2 − 8x − 10
vivado [14]
(2x² - 8x - 10) ÷ 2 = 0
x² - 4x - 5 = 0
x² + x - 5x - 5 = 0
x(x+1) - 5(x+1) = 0
(x+1)(x-5) = 0
x+1 = 0 or x-5 = 0
x = -1 or x= 5

S = {-1;5}

3 0
3 years ago
The distribution of the average amount of sleep per night gotten by college students is roughly bell-shaped with mean 412 minute
kirza4 [7]

Answer:

P(X

P(z

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

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

X \sim N(412,68)  

Where \mu=412 and \sigma=68

We are interested on this probability

P(X

And the best way to solve this problem is using the normal standard distribution and the z score given by:

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

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

P(X

And we can find this probability using the normal standard table or excel and we got:

P(z

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3 years ago
What is the mslope and y-intercept
attashe74 [19]

Step-by-step explanation:

the y intercept is where 0= x

(0,y)

m is 5

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2 years ago
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