A cooking teacher needs to give each student in his class three eggs to use in a recipe. There are 44 students in the class. How
2 answers:
Answer: There are 11 dozen eggs that the teacher should buy.
Step-by-step explanation:
Since we have given that
Number of students in the class = 44
Number of eggs given to each student = 3
So, Total number of eggs for 44 students would be
As we know that
1 dozen = 12 eggs
1 egg =
132 eggs =
Hence, there are 11 dozen eggs that the teacher should buy.
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Answer:
2,973
Step-by-step explanation:
The black bear population B(t), in the park is modeled by the following function:
Where t is the time(in years) elapsed since the beginning of the study.
We want to determine the black bear population in 25 years time, t=25.
There will be 2,973 black bears in 25 years time.
Answer:
The 95% confidence interval for the proportion of all shoppers during the year whose visit was because of a coupon they'd received in the mail is (0.2016, 0.2694)
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of , and a confidence level of
, we have the following confidence interval of proportions.
In which
z is the zscore that has a pvalue of .
For this problem, we have that:
95% confidence level
So , z is the value of Z that has a pvalue of
, so
.
The lower limit of this interval is:
The upper limit of this interval is:
The 95% confidence interval for the proportion of all shoppers during the year whose visit was because of a coupon they'd received in the mail is (0.2016, 0.2694)
Answer:
Option A - is the standard form of the equation.
Step-by-step explanation:
Given : Linear equation -
To convert into the standard form.
Standard form of the equation is in form Ax+By=C
So to convert this equation into the standard form we have to multiply both side of the equation by -1, so that the value for A is positive.
After multiplying by -1 the form is
is the standard form of the equation.
Therefore, Option A is correct.