Enter an algebraic expression for the word expression. The quotient of −3 and y
2 answers:
Hello!
The quotient of means we divide, so the quotient of -3 and y means we divide -3 by y:
That's the answer. We can also write it as
I hope it helps!
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Answer:
-3 ÷ y
Step-by-step explanation:
Given the following question"
The quotient of -3 and y
Since the quotient of -3 and y
you are dividing -3 and y
⇒ -3 ÷ y
Hope this helps you!
Have an wonderful day!
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Answer:
If we compare the p value and the significance level for example we see that
so we can conclude that we have enough evidence to reject the null hypothesis.
And the best conclusion would be:
a) Yes. The counselor's claim is valid
Because we reject the null hypothesis in favor to the alternative hypothesis.
Step-by-step explanation:
Data given and notation
represent the sample mean
represent the sample standard deviation
sample size
represent the value that we want to test
represent the significance level for the hypothesis test.
t would represent the statistic (variable of interest)
represent the p value for the test (variable of interest)
State the null and alternative hypotheses.
We need to conduct a hypothesis in order to check if the mean is more than 3.1, the system of hypothesis would be:
Null hypothesis:
Alternative hypothesis:
If we analyze the size for the sample is < 30 and we don't know the population deviation so is better apply a t test to compare the actual mean to the reference value, and the statistic is given by:
(1)
t-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".
Calculate the statistic
We can replace in formula (1) the info given like this:
P-value
The first step is calculate the degrees of freedom, on this case:
Since is a one right tailed test the p value would be:
Conclusion
If we compare the p value and the significance level for example we see that
so we can conclude that we have enough evidence to reject the null hypothesis.
And the best conclusion would be:
a) Yes. The counselor's claim is valid
Because we reject the null hypothesis in favor to the alternative hypothesis.