The number of girls in a classroom is greater than the number of boys. There are more than girls. Write system of inequalities t
1 answer:
Answer:
Step-by-step explanation:
Required
Represent the relationship between population of girls and boys
From the question, we have that
<em>Given that y is greater than x in the classroom;</em>
<em>One of the keywords in the given data is</em><em> "Greater than"</em>
The inequality to represent the system is the greater than sign;
In other words, >
Bringing x, y and > together to form a complete inequality; we have
Replace Girls with y and Boys with x
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Answer:
And we can find the probability with this difference
And using the normal standard distribution or excel we got:
Step-by-step explanation:
Let X the random variable that represent the soft drink machine outputs of a population, and for this case we know the distribution for X is given by:
Where and
We want to find this probability:
The z score is given by:
Using this formula we got:
And we can find the probability with this difference
And using the normal standard distribution or excel we got: