Zayed is helping his classmates get ready for their math test by making them identical packages of pencils and calculators. He h
2 answers:
Answer:
3 pencils
Step-by-step explanation:
We are given Zayed is helping his classmates get ready for their math test by making them identical packages of pencils and calculators.
Number of pencils=72
Number of calculators=24
If Zayed creates the greatest number of identical packages
Then , we find GCF of 72 and 24
GCF=
Hence, Zayed creates 24 packages.
Number of pencils in each package=
Hence, 3 pencils and one calculator will be in each package .
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Answer:
The conclusion for this hypothesis test would be that the average American consumes less than or equal to 17 ounces of ice cream per month.
Step-by-step explanation:
We are given that Breyers is a major producer of ice cream and would like to test if the average American consumes more than 17 ounces of ice cream per month.
A random sample of 25 Americans was found to consume an average of 19 ounces of ice cream last month. The standard deviation for this sample was 5 ounces.
<u><em>Let </em></u><u><em> = average ounces of ice cream consumed by American per month</em></u>
So, Null Hypothesis, :
17 ounces {means that the average American consumes less than or equal to 17 ounces of ice cream per month}
Alternate Hypothesis, :
> 17 ounces {means that the average American consumes more than 17 ounces of ice cream per month}
The test statistics that will be used here is <u>One-sample t test statistics</u> as we don't know about population standard deviation;
T.S. = ~
where, = sample average = 19 ounces
s = sample standard deviation = 5 ounces
n = sample of Americans = 25
So, <u><em>test statistics</em></u> = ~
= 2
The value of the test statistics is 2.
<em>Now at 0.025 significance level, the </em><u><em>t table gives critical value of 2.06 at 24 degree of freedom for right-tailed test</em></u><em>. Since our test statistics is less than the critical values of t, so we have insufficient evidence to reject our null hypothesis as it will not fall in the rejection region due to </em><u><em>which we fail to reject our null hypothesis</em></u><em>.</em>
Therefore, we conclude that the the average American consumes less than or equal to 17 ounces of ice cream per month.
Answer:
The population can be greater than 6,100 but less than 6,300, and thus, we cannot determine if the population of Farmersville will be greater than 6,300 in 2012.
Step-by-step explanation:
Inequality for the population of Farmsville:
The inequality for the population of Farmsville in x years after 2010 is given by:
Will the population of Farmersville be greater than 6,300 in 2012?
2012 is 2012-2010 = 2 years after 2010, so we have to find y(2).
The population can be greater than 6,100 but less than 6,300, and thus, we cannot determine if the population of Farmersville will be greater than 6,300 in 2012.