A 13-ounce box of cereal sells for $3.25. An 18-ounce box of cereal sells for $3.60. Which statement describes the difference in
1 answer:
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Answer: 0.0125
Step-by-step explanation:
Given : A survey by the Pew Research Center asked a random sample of 2142 U.S. adults and a random sample of 1055 college presidents how they would "rate the job the higher education system is doing in providing value for the money.
5% the U.S. adults and 17% of the college presidents provided a rating of "Excellent."
i.e.
,
The standard error of the difference in sample proportions :-
Hence, the standard error of the difference in sample proportion = 0.0125
The density of the block will be 20000 g/m³
<em><u>Explanation</u></em>
Given that, mass of the block is 400 g and Volume
is 0.02 m³
<u>Formula for Density is</u>:
So, plugging the values of and
into the above formula, we will get.....
So, the density of the block will be 20000 g/m³