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Find the volume generated by revolving the area enclosed by the curve x2 + y2 = 9 about
the x-axis.
Find the area bounded by the curves y = x3, y = 1, and x = 0 using double integration.
List the ordered pairs in the relation R from A = {0, 1, 2, 3, 4} to B = {0, 1, 2, 3}, where (a, b) ∈ R if and only if a | b.
A survey shows that 10% of students are victimized by bullies in school each year. A random sample of 527 students shows a victimization rate of 14%. Are students more likely to be bullied in school? Assume significance level at 0.01.
Probability question
There are 10 teams. Each team plays another team each week for 15 weeks. The team with the higher score that week wins the game and gets a win. The team with the lower score in the matchup gets a loss. At the end of the season the teams with the best 6 win/loss records advance to the next round and the teams with the four worst win/loss records are eliminated.
What is the probability of the four teams with the highest number of total points scored getting eliminated? Also, what are the chances of the team with the most points scored coming in 10th place? Bonus if you know the probability of both things happening!
The IQ test results of a group of students in a certain college were taken and are presented in a frequency distribution below.
Classes f
70-75 2
76-81 8
82-87 19
88-93 21
94-99 28
100-105 38
106-111 15
112-117 9
1. Use the frequency distribution above, determine the following:
a. Size of the class interval
b. Lower boundary of the median class
C. Median class
d. Number of students with an IQ greater than 99.5
2. Compute the value of:
A. Mean
B. Median
C. Mode
B. The efficiency rating of 155 faculty members of a certain college was taken and is shown below
Classes f
73-75 2
76-78 6
79-81 12
82-84 16
85-87 18
88-90 39
91-93 36
94-96 21
97-99 5
Determine the value of
1. P36
2. D5
3. Q3
Compute the correlation coefficient of the data below.
*number of years vs. selling price
X 1 3 5 7 9
y 27 23 25 20 15
cosider the ideal I={x^2-4x+3,x^3+3x^2-x-3} of the ring .find polynomial p such that I=<p>
Mr. X is known to hit the target in 4 out of 5 shots, where as Mr. Y is known to hit the target in 3 out of 5 shots. Find the probability that both will hit the Target
