Divisors of 18 are 1, 2, 3, 6, 9, 18.
Divisors of 24 are 1, 2, 3, 4, 6, 8, 12, 24.
The largest number on both lists is 6. This is the GCF of 18 and 24.
_____
a) No. The number present must be a divisor of 6.
b) Yes. The number present is a divisor of 6.
c) The number present must be a divisor of 6.
d) Possible numbers present are 1, 2, 3, 6.
Answer:
Yes, Students are scoring above 2222 on the math portion of the exam.
Step-by-step explanation:
We are given that a college entrance exam company determined that a score of 2222 on the mathematics portion of the exam suggests that a student is ready for college-level mathematics i.e., population mean is 22.
Null Hypothesis, 
: 
= 22 {Students are scoring equal to 2222 on the math portion of the exam}
Alternate Hypothesis, : > 22 {Students are scoring above 2222 on the math portion of the exam}
Also, a random sample of 150 students who completed this core set of courses results in a mean math score of 22.7 on the college entrance exam with a standard deviation of 3.93 i.e.;
Sample mean, 
= 22.7 and Sample standard deviation, s = 3.93
The Test statistics is given by;
Z = 
~ 
Test Statistics = 
~ 
= 2.1815
Since, we are not given with the significance level, so we assume it to be 5%. At 5% significance level t table gives critical value of 1.6578 at 149 degree of freedom. Since our test statistics is more than the critical value so we reject null hypothesis as our test statistics fall in the rejection region.
Therefore, we conclude that Students are scoring above 2222 on the math portion of the exam.
Answer:
91.4
Step-by-step explanation:
If a college has 17 tutors to be appointed among the students in four departments, and the number of students in each department is 315, 310, 105 and 80 respectively, the Standard Divisor is 47.647
As per the question statement, a college has 17 tutors to be appointed among the students in four departments, and the number of students in each department is 315, 310, 105 and 80 respectively.
We are required to calculate the Standard Divisor of the above mentioned problem.
To solve this question, we need to know the formula to calculate the standard divisor, which goes as,
Standard Divisor = [(Total Population)/(Number of Candidates)]
Here, the total population of students = (315 + 310 + 105 + 80) = 810
And, the number of teachers to be appointed = 17 (given)
Therefore, Standard Divisor = (810 / 17) = 47.647
- Standard Divisor: In Mathematics, standard divisor is the quotient of the total population divided by the number of seats (or other allocations) to be distributed.
To learn more about Standard Divisor, click on the link below
brainly.com/question/17123675
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Answer:
x = 6 is a solution of x - 1 
7.
Step-by-step explanation:
First, plug in x = 6 into the inequality.
x - 1 7 for x = 6
6 - 1 7
Now, solve.
6 - 1 = 5
5 7
The statement above is true, so x = 6 is a solution to x - 1 7.
Please inform me of any mistakes.
