Z = (x -μ)/σ
.. = (99 -88)/5
.. = 11/5
.. = 2.2
The z score is 2.2.
Using the accrual method, the unearned revenue as of December 31 is $12,000.
<h3>What is Unearned revenue?</h3>
Unearned revenue can be defined as the amount a company received from their client for the service they are yet too rendered.
Since the company has received full balance for the services not yet provided. The unearned revenue as of December 31 will be $12,000.
Reason been that the amount that the client paid the company is for a year-long contract, hence the $12,000 represent a prepayment amount for the service the company is yet too rendered to their client
Thus, using the accrual method, the unearned revenue as of December 31 is $12,000.
Learn more about unearned revenue here:
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Everybody wants to get into college but colleges can accept only so many students each year. Thus, the selection process is run based on students' resumes and letters of recommendation when only the best and the most deserving students are accepted.
(41 words)
Control of the upper classes
Answer:
a. 99.30% of the woman meet the height requirement
b. If all women are eligible except the shortest 1% and the tallest 2%, then height should be between 58.32 and 68.83
Explanation:
<em>According to the survey</em>, women's heights are normally distributed with mean 63.9 and standard deviation 2.4
a)
A branch of the military requires women's heights to be between 58 in and 80 in. We need to find the probabilities that heights fall between 58 in and 80 in in this distribution. We need to find z-scores of the values 58 in and 80 in. Z-score shows how many standard deviations far are the values from the mean. Therefore they subtracted from the mean and divided by the standard deviation:
z-score of 58 in=
= -2.458
z-score of 80 in=
= 6.708
In normal distribution 99.3% of the values have higher z-score than -2.458
0% of the values have higher z-score than 6.708. Therefore 99.3% of the woman meet the height requirement.
b)
To find the height requirement so that all women are eligible except the shortest 1% and the tallest 2%, we need to find the boundary z-score of the
shortest 1% and the tallest 2%. Thus, upper bound for z-score has to be 2.054 and lower bound is -2.326
Corresponding heights (H) can be found using the formula
and
Thus lower bound for height is 58.32 and
Upper bound for height is 68.83