Help me 20 point if you do
2 answers:
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Answer:
a
The null hypothesis is
The alternative hypothesis is
b
c
d
There no sufficient evidence to support the conclusion that the population mean sales prices for new one-family homes in the South is less expensive than the national mean of $181,900
Step-by-step explanation:
From the question we are told that
The population mean is
The sample size is
The sample mean is
The sample standard deviation is
The null hypothesis is
The alternative hypothesis is
Generally the test statistics is mathematically represented as
=>
=>
Generally the p-value is obtain from the z-table the value is
=>
From the calculation we see that
hence we fail to reject the null hypothesis
Thus there no sufficient evidence to support the conclusion that the population mean sales prices for new one-family homes in the South is less expensive than the national mean of $181,900
Answer:
Step-by-step explanation:
Given
Recursive:
Required
Determine the formula
Substitute 2 for n to determine
Substitute
Next is to determine the common difference, d;
The nth term of an arithmetic sequence is calculated as
Substitute and
Hence, the nth term of the sequence can be calculated using