Answer:
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Step-by-step explanation:
Answer:
The confidence interval for the unemployment rate is (0.056, 0.06) = (5.6%, 6%).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of , we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of .
The margin of error is:
The lower bound of the interval is:
The upper bound of the interval is:
In this problem, we have that:
So
The confidence interval for the unemployment rate is (0.056, 0.06) = (5.6%, 6%).
First question: you're given , , , and . So the value of the account after 3 years is
making the answer B.
Second question: and . APY is given by
so the APY in this case is
making the answer D.
Answer:
Find the equivalent ratio for the total shapes:
Total Black Shapes : Total White Shapes = 5 : 11
Multiply by 2:
Total Black Shapes: Total White Shapes = 10 : 22
Step-by-step explanation:
Answer:
They spend = $58
They earned = $35
Step-by-step explanation: