A restaurant has square dining tables.they will place table settings on each table so that there is a distance of 2 feet from ea
ch corner to a table setting. The 3 table settings on each side will be 3 feet apart. What is the perimeter of one table?
2 answers:
Answer:
Perimeter = 12ft
Step-by-step explanation:
Given that the distance between the table and each corner of the table setting is 2feets it implies the table settings is place at the center of each table.
Since the table settings is at the center of the table and each table settings are 3feets apart, it implies that distance from table setting to the end of the table will be 3ft/2 = 1.5ft
If half length of the table is 1.5ft
Length = 2 x 1.5ft = 3ft
Formular for perimeter of a square = 4L
Perimeter = 4 x 3 = 12ft
See attachment for diagram.
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Answer:
We conclude that the valve performs above the specifications.
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = 6.3 pounds per square inch
Sample mean, = 6.5 pounds per square inch
Sample size, n = 130
Alpha, α = 0.02
Population standard deviation, σ = 0.8
First, we design the null and the alternate hypothesis
We use one-tailed z test to perform this hypothesis.
Formula:
Putting all the values, we have
Now,
Decision rule:
If the calculated statistic is greater than the the critical value, we reject the null hypothesis and if the calculated statistic is lower than the the critical value, we accept the null hypothesis
Since,
We fail to accept the null hypothesis and reject the null hypothesis. We accept the alternate hypothesis.
Thus, we conclude that the valve performs above the specifications.