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muminat
2 years ago
13

Who is correct Julie or Jeremy

Mathematics
2 answers:
Sedaia [141]2 years ago
7 0

Answer:

Julie

Step-by-step explanation:

andreyandreev [35.5K]2 years ago
3 0

Answer:

julie i think

Step-by-step explanation:

because julies semes right hop it helped

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Scilla [17]

Answer:

you will get a decimal answer which is 94.10526316

Step-by-step explanation:

8 0
3 years ago
Number of passengers who arrive at the platform in an Amtrack train station for the 2 pm train on a Saturday is a random variabl
Svetradugi [14.3K]

Answer:

P(80

And we can find this probability with this difference:

P(-4

And in order to find these probabilities we can use tables for the normal standard distribution, excel or a calculator.  

P(-4

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 number of passengers who arrive at the platform of a population, and for this case we know the following info

Where \mu=180 and \sigma=25

We are interested on this probability

P(80

For this case we can assume that the random variable is normally distributed.

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(80

And we can find this probability with this difference:

P(-4

And in order to find these probabilities we can use tables for the normal standard distribution, excel or a calculator.  

P(-4

5 0
3 years ago
Glenna says that the height of her house is 1 yard is her claim reasonable
muminat
No, her answer is not reasonable because one yard is equal to 3 feet.
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