Use a proportion to determine the number of children age 5 in a kindergarten class if 80% of a class of 20 children are that age
1 answer:
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The value of is 2500, when
and
.
Given that, and
.
We need to find the value of .
An arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant.
Now, to find the value of :
Therefore, the value of is 2500.
To learn more about arithmetic sequence visit:
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Answer:
z-score = 4.43,
It is a Good day
Step-by-step explanation:
The provided information is:
Mean = $28,286.28
Standard deviation = $1,500
Let x be the sell of department store on Tuesday.
Then, x = $34,924.62
The z-score is define as:
Thus, the Tuesday's z-score is 4.43. So this is usually good day.