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a bookcase is to be constructed as shown in the figure below. the height of the bookcase is 2 feet longer than the length of a s
helf. if 22 feet of lumber is available for the entire unit including the shelves but NOT the back of the bookcase find the length and height of the unit.
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<h2>Answer with explanation:</h2><h2 />
The confidence interval for population mean is given by :-
Given : Sample size : n= 5, since n<30 , so the test we use here is t-test.
Sample mean :
Standard deviation:
Significance level :
By using the standard normal distribution table , the critical value corresponds to the given significance level will be :-
Now, the 99% confidence interval for the mean waste recycled per person per day for the population of Texas will be :-
Hence, the 99% confidence interval for the mean waste recycled per person per day for the population of Texas = (0.068, 3.732)
The amount of in pound of tomatoes purchased is
To obtain the number of pounds of tomatoes purchased :
- Let the price per pound of tomato = p
The Number of tomatoes purchased equals :
- Total amount spent ÷ price per pound
Therefore, the Number of tomatoes purchased will be :
- 5.76 ÷ p
The Number of pounds of tomatoes purchased =
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