EXPERTS/ACE PLEASE HELP!!
1 answer:
Hey!! I'm not Expert/Ace, but I am a Virtuoso so I hope I can help :p
Braden bought 18 pencils for $4.50
The number of pencils bought is x, and total cost is y.
x = 18 y = 4.5
you would then plot the point (18, 4.5).
I am assuming that because you need a line, I will need to make another pencils bought/price.
The point I made is (30, 7.5).
(You can get another point by dividing 4.5 by 18, and then using the result, .25 to see how much it would cost to by x amount of pencils.)
Attached is the line I got by plotting both points, and connecting them :)
I hope I answered your question!!
Braden bought 18 pencils for $4.50
The number of pencils bought is x, and total cost is y.
x = 18 y = 4.5
you would then plot the point (18, 4.5).
I am assuming that because you need a line, I will need to make another pencils bought/price.
The point I made is (30, 7.5).
(You can get another point by dividing 4.5 by 18, and then using the result, .25 to see how much it would cost to by x amount of pencils.)
Attached is the line I got by plotting both points, and connecting them :)
I hope I answered your question!!
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Answer:
The expected participation rate is 0.637.
The standard error is 0.04397
Step-by-step explanation:
For each working age people asked, there are only two possible outcomes. Either they are in the labor force, or they are not. This means that we can solve this problem using binomial distribution probability concepts.
Binomial probability:
Expected value for the participation rate: The expected value is the probability of a success. In this problem, a success is a working age people being in the labor force. 63.7% of them are. So . This means that the expected participation rate is 0.637.
Standard error for the participation rate:
The standard error is given by the following formula:
.
In this problem, 120 people are asked, so
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So the standard error is 0.04397