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The area that a rectangle-shaped rug is 24 1/12 square jajalger2018.orgrds. The lenghth the the rug is 5 2/3 jajalger2018.orgrds. What is the width?
You won $1000 in a radio contest. If you invest the in an account that pays 4.5% interest compounded semiannually, what will certainly be y
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A market research analyst believes that the average weekly household expenditure top top groceries in Pearland is $125. Assume that t
Since is a two-sided check the p worth would be:
B.There is not adequate evidence come conclude that the median weekly household expenditure top top groceries in Pearland is significantly different native $125.
z would stand for the statistic (variable of interest)
State the null and alternate hypotheses.
We should conduct a hypothesis in bespeak to check if the mean is equal to 125 or not, the mechanism of hypothesis would be:
z-test: "Is provided to compare team means. Is just one of the most usual tests and also is used to recognize if the mean is (higher, less or no equal) come an specified value".
Calculate the statistic
The statistic because that this instance is
Since is a two-sided test the p worth would be:
If us compare the ns value and also the meaning level given
B.There is not adequate evidence come conclude the the typical weekly family members expenditure ~ above groceries in Pearland is significantly different from $125.