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nignag [31]
3 years ago
5

Find the probability for choosing a letter at random from the word: PROBABILITY

Mathematics
1 answer:
kicyunya [14]3 years ago
3 0
1/11
<span>1/11
</span><span>1/11
</span><span>1/11
</span><span>1/11</span>
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Which fraction and decimal forms match the long division problem?
kolbaska11 [484]

Answer:

Option B and D .....

If the provide option is correct

Or else it should be 7/9 and 0.777

mark me as brainliest ❤️

4 0
3 years ago
New York City is the most expensive city in the United States for lodging. The mean hotel room rate is per night (USA Today, Apr
kow [346]

Answer:

P(X

Step-by-step explanation:

Assuming a mean of $204 per night and a deviation of $55.

a. What is the probability that a hotel room costs $225 or more per night (to 4 decimals)?

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".  

Let X the random variable that represent the cost per night at the hotel, and for this case we know the distribution for X is given by:

X \sim N(204,55)  

Where \mu=204 and \sigma=55

And let \bar X represent the sample mean, the distribution for the sample mean is given by:

\bar X \sim N(\mu,\frac{\sigma}{\sqrt{n}})

We are interested on this probability

P(X>225)

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>225)=P(\frac{X-\mu}{\sigma}>\frac{225-\mu}{\sigma})

=P(Z>\frac{225-204}{55})=P(Z>0.382)

And we can find this probability on this way:

P(Z>0.382)=1-P(Z

8 0
3 years ago
Saturday the low temperature was 56°F and the high temperature was 60° higher what was the high temperature on Saturday
leva [86]
116 degrees. It’s simple.

56 is what the low was, but the high was 60 more.
Therefore,
56+60=116
4 0
3 years ago
If a coin is tossed and a number cube is rolled what is the probability of getting heads and the number cube shows 3?
Maurinko [17]

Answer:

1/12

Step-by-step explanation:

Since the probability of getting heads is 1/2 and the probability of the number cube getting three is 1/6, we multiply.

For every coin flip, there is a 1/6 chance of getting a three. But since there is another condition, we have to multiply. Multiplying both fractions make 1/12.

4 0
3 years ago
Please please help me!!
ElenaW [278]
Hey you can go on Gauthmath it will have more people online to help you
8 0
3 years ago
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