One student is selected at random from a group of 20 freshmen, 5 sophomores, 10 juniors,...
One student is selected at random from a group of 20 freshmen, 5 sophomores, 10 juniors, and 15 seniors. Find the probability that the person selected is:
(a) a freshman, (b) not a sophomore, (c) a junior or a senior.
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One student is selected at random from a group of 20 freshmen, 5
sophomores, 10 juniors,...
9. A study group is to be selected from a group of 16 students. The group consists of 5 freshmen, 7 sophomores, and 4 juniors. a) In how many ways can a group of 6 students be selected from this gr...
9. A study group is to be selected from a group of 16 students. The group consists of 5 freshmen, 7 sophomores, and 4 juniors. a) In how many ways can a group of 6 students be selected from this group? b) If the study group is to consist of 2 freshmen, 3 sophomores, and 1 junior, how many different groups are possible? c) What is the probability that a group of 6 students will consist of 2 freshmen, 3...
4. From a group of 3 freshmen, 4 sophomores, 4 juniors, and 3 seniors a committee...
4. From a group of 3 freshmen, 4 sophomores, 4 juniors, and 3 seniors a committee of size 4 is randomly selected. Find the probability that the committee will consist of [5 pts] (i) 1 from each class (ii) 2 sophomores and 2 juniors; (iii) only juniors or seniors.
Rework problem 25 from section 3.2 of your text, involving choosing freshmen, sophomores, and juniors. For...
Rework problem 25 from section 3.2 of your text, involving choosing freshmen, sophomores, and juniors. For this problem, assume that three students are chosen from 4 freshmen, 7 sophomores, and 3 juniors. What is the probability of selecting 2 freshmen and 1 junior given that at least one freshman will be selected?
According to the record of the registrar’s office at a state university, 35% of the students...
According to the record of the registrar’s office at a state university, 35% of the students are freshman, 25% are sophomore, 16% are junior and the rest are senior. Among the freshmen, sophomores, juniors and seniors, the portion of students who live in the dormitory are, respectively, 80%, 60%, 30% and 20% Referring to the information above, what is the probability that a randomly selected student is a sophomore who does not live in a dormitory?
A finite math class of 50 students is composed of freshmen and sophomores according to the...
A finite math class of 50 students is composed of freshmen and sophomores according to the table below. A student from the class is selected at random. Freshmen Sophomores Females 12 8 Males 14 16 a) What is the probability that the selected student is either a male or a freshman? b) What is the probability that the selected student is neither a female nor a sophomore?
Suppose a class is made up of 5 Freshman, 3 Sophomores, and 7 Juniors. If a...
Suppose a class is made up of 5 Freshman, 3 Sophomores, and 7 Juniors. If a group of 4 students is randomly selected from the class, find the probability that the group contains 3 Freshman and 1 Junior.
A group of ten seniors, nine juniors, six sophomores, and five freshmen must select a committee...
A group of ten seniors, nine juniors, six sophomores, and five freshmen must select a committee of four. How many committees are possible if the committee must contain the following? (a) one person from each class (b) any mixture of the classes 27405 (c) exactly two seniors Need Help? Read Watch Mostert
SHOW WORK 3. A CPR class contains 10 Freshmen, 10 Sophomores, 5 Juniors and 25 Seniors....
SHOW WORK
3. A CPR class contains 10 Freshmen, 10 Sophomores, 5 Juniors and 25 Seniors. Given the Mean score for each grade level, calculate the Weighted Mean score for the entire class Freshman: 72%; Sophomores:94%; Juniors 56%, Seniors-90% Class Mean: 4. Determine whether the implied probability is Classical (Mathematical), Empirical or Subjective: a) That you roll a '5' when tossing a pair of dice b) That Donald Trump gets to appoint at least two Supreme Court Justices c) The...
Here is data on the flow of students through a school 70% of freshmen pass and become sophomores,...
Here is data on the flow of students through a school 70% of freshmen pass and become sophomores, 20% fail and repeat as freshmen, 10% drop out 80% of sophomores pass and become juniors, 10% fail and repeat as sophomores, 10% drop out 80% of juniors pass and become seniors, 10% fail and repeat as juniors, 10% drop out 84% of seniors pass and graduate, 6% fail and repeat as seniors, 10% drop out Treat this as a 6-state Markov...
10. In a group of 40 students 8 are seniors, and 9 are juniors. of the...
10. In a group of 40 students 8 are seniors, and 9 are juniors. of the 14 students in the group who hold academic scholarships 3 are seniors, and 2 are juniors. A student is selected at random. (a) Find the probability the student is a junior who holds an academic scholarship.
4. From a group of 3 freshmen, 4 sophomores, 4 juniors, and 3 seniors a committee of size 4 is randomly selected. Find the probability that the committee will consist of [5 pts] (i) 1 from each class (ii) 2 sophomores and 2 juniors; (iii) only juniors or seniors.
A group of ten seniors, nine juniors, six sophomores, and five freshmen must select a committee of four. How many committees are possible if the committee must contain the following? (a) one person from each class (b) any mixture of the classes 27405 (c) exactly two seniors Need Help? Read Watch Mostert
SHOW WORK
3. A CPR class contains 10 Freshmen, 10 Sophomores, 5 Juniors and 25 Seniors. Given the Mean score for each grade level, calculate the Weighted Mean score for the entire class Freshman: 72%; Sophomores:94%; Juniors 56%, Seniors-90% Class Mean: 4. Determine whether the implied probability is Classical (Mathematical), Empirical or Subjective: a) That you roll a '5' when tossing a pair of dice b) That Donald Trump gets to appoint at least two Supreme Court Justices c) The...
Here is data on the flow of students through a school 70% of freshmen pass and become sophomores, 20% fail and repeat as freshmen, 10% drop out 80% of sophomores pass and become juniors, 10% fail and repeat as sophomores, 10% drop out 80% of juniors pass and become seniors, 10% fail and repeat as juniors, 10% drop out 84% of seniors pass and graduate, 6% fail and repeat as seniors, 10% drop out Treat this as a 6-state Markov...
10. In a group of 40 students 8 are seniors, and 9 are juniors. of the 14 students in the group who hold academic scholarships 3 are seniors, and 2 are juniors. A student is selected at random. (a) Find the probability the student is a junior who holds an academic scholarship.
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