For which of the following types of economies would the factors of production depend on the relative distribution of market forc
1 answer:
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Answer:
Explanation:
Data given and notation
represent the sample mean
represent the standard deviation for the sample
sample size
represent the value that we want to test
represent the significance level for the hypothesis test.
t would represent the statistic (variable of interest)
represent the p value for the test (variable of interest)
State the null and alternative hypotheses.
We need to conduct a hypothesis in order to determine if the mean is lower than 5600, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
We don't know the population deviation, so for this case is better apply a t test to compare the actual mean to the reference value, and the statistic is given by:
(1)
t-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".
Calculate the statistic
We can replace in formula (1) the info given like this:
Answer:
In the case of age 30, there will be more money at the age of 60
Explanation:
When person start investing at the age of 20 then total year till 60 years age is = 40 years.
Interest rate (r ) = 7 percent or 0.07.
Investment amount (Present value) = $1000
Now the total amount at the age of 60 years is calculated below.
Now calculate the total amount at the age of 60 years when he invest at the age of 30 and earns interest rate 10 percent. Now the number of years is 30.