Which of the following rational functions is graphed below?
2 answers:
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The total amount of snowfall on the two days combined is 4 3/8 cm
<h3>Addition of fractions </h3>From the question, we are to determine the amount of snowfall on the two days combined
From the given information,
the amount of snowfall was 1/8 cm on Thursday
The amount of snowfall was 4 1/4 cm on Wednesday
Then,
The total amount of snowfall on the two days combined will be
cm
=
=
=
=
Hence, the total amount of snowfall on the two days combined is 4 3/8 cm
Learn more on Addition of fractions here: brainly.com/question/78672
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Answer:
Step-by-step explanation:
Given that:
Mean = 3.34
sample size = 26
sample mean = 2.7
standard deviation = 1.17
level of significance = 0.10
The null hypothesis and the alternative hypothesis can be computed as follows:
degree of freedom = n - 1
degree of freedom = 26 -1
degree of freedom = 25
level of significance = 0.10
Since the alternative hypothesis contains <, then the test is left tailed
= - 1.316
The rejection region therefore consist of all values smaller than - 1.316, therefore ; reject if t < -1.316
The test statistics can be computed as follows:
t = - 2.789
Decision Rule: To reject the null hypothesis if the t test lies in the rejection region or less than the rejection region.
Conclusion: We reject the null hypothesis since t = (- 2.789) < -1.316. Then we conclude that the mean number of residents in the retirement community household is less than 3.34 persons.