Answer:
Step-by-step explanation:
current value is $30
as it increases at a rate of 5% each year
after n year the value will be
so for 20 years it will be
it gives 79.59893 so we can round it to 79.60
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2 answers:
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Answer:
The sampling distribution of is:
.
Step-by-step explanation:
According to the Central limit theorem, if from an unknown population large samples of sizes n > 30, are selected and the sample proportion for each sample is computed then the sampling distribution of sample proportion follows a Normal distribution.
The mean of this sampling distribution of sample proportion is:
The standard deviation of this sampling distribution of sample proportion is:
The study was conducted using the data from 15,000 students.
Since the sample size is so large, i.e. <em>n</em> = 15000 > 30, the central limit theorem is applicable to approximate the sampling distribution of sample proportions.
So, the sampling distribution of is:
.
Answer:
see attachment
Step-by-step explanation:
