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6. Suppose that the probability of getting an A in a particular course is 0.08, and...
6. Suppoee that the probability of getting an A in a particular course is 0.08, and...
6. Suppoee that the probability of getting an A in a particular course is 0.08, and assume that the all student grades are independent. If you randomly sample 20 students taking the course (a) Find the expected number of students that will get an A, and the standard deviation of number of students that will get an A. (b) Find the probability that no student gets an A. (e) Find the probability that at most 2 students get an A....
(4) The time required to complete a final exam in a particular college course is normally...
(4) The time required to complete a final exam in a particular college course is normally distributed with a mean of 75 minutes and a standard deviation of 15 minutes. Answer the following questions: (a) (for a randomly selected student) What is the probability of completing the exam in 1 hour or less? (4) (b) What is the probability a randomly selected student will complete the exam in more than 60 minutes but less than 75 minutes? (4b) (c) Assume...
Twenty-five percent of the nursing students at a particular college are male. Of the male nursing...
Twenty-five percent of the nursing students at a particular college are male. Of the male nursing students, 50% are taking a biology course this semester. Of the female nursing students, 30% are taking a biology course this semester. A nursing student is randomly selected, what is the probability that this student is a female taking a biology course this semester. Round your answer to three decimal places. Draw a tree to help find the probability.
Will rate!! Suppose 81% of all students taking a beginning programning course fail to get their...
Will rate!!
Suppose 81% of all students taking a beginning programning course fail to get their first program to run on first submission. Consider a group of S such students,where each student's success is independent from the other and the chance each student fails on their first try is consistent. (Round answers to three decimal places.) (a) If X is the number of students whose program fails on the first run, then X comes from a binomial distribution with: n-...
Winning the jackpot in a particular lottery requires that you select the correct two numbers between...
Winning the jackpot in a particular lottery requires that you select the correct two numbers between 1 and 38 and, in a separate drawing, you must also select the correct single number between 1 and 52. Find the probability of winning the jackpot. The probability of winning the jackpot is (Type an integer or simplified fraction.) A biology class has 32 students. Find the probability that at least two students in the class have the same birthday. For simplicity, assume...
6. Students in one statistics course need to earn a grade of at least C, otherwise...
6. Students in one statistics course need to earn a grade of at least C, otherwise they need to repeat the course. It is also known that 85% of all students who attend class regularly will earn a grade of at least C, while only 30% of those students who do not attend class regularly will earn a grade of at least C. Historically, 80% of all students in this course attend class regularly. You must explicitly define any events...
Question 2. Gopal is taking a Probability course, and would like to find a study-partner to...
Question 2. Gopal is taking a Probability course, and would like to find a study-partner to discuss concepts that are being covered in his class and brainstorm ideas on applying them in day-to-day scenarios. He feels that the collaboration would be most effective if he finds a study-partner who lives within 5 miles of his residence. Assume that each student in his class has a 0.3 probability of living in his 5-mile neighborhood, independently of other students. 1. What is...
1. The time needed to complete a final examination in a particular college course is normally distributed with a mean o...
1. The time needed to complete a final examination in a particular college course is normally distributed with a mean of 83 minutes and a standard deviation of 13 minutes. Answer the following questions. a. What is the probability of completing the exam in one hour or less (to 4 decimals)? b. What is the probability that a student will complete the exam in more than 60 minutes but less than 75 minutes (to 4 decimals)? 2. According to the...
0 2 pts ect Question 13 The addition rule for probability P(A U B) for: p(A) + P(B)-PA n В) is us...
any help with these problems?
0 2 pts ect Question 13 The addition rule for probability P(A U B) for: p(A) + P(B)-PA n В) is used finding the probability that A happens, then B happens. hinding the probability that A doesn't happen, but B does happen. finding the probability that A or B or both happen 9 inding the probability that A and B both happen Quiz Score: 5.8 out of Question 12 0/ 2 pts The multiplication rule...
a.) If a student randomly guesses at 20 multiple-choice questions, find the probability that the student...
a.) If a student randomly guesses at 20 multiple-choice questions, find the probability that the student gets exactly four correct. Each question has four possible choices. 0.190 0.162 0.085 0.218 b.) 80% of members of a club consume alcoholic beverage. Of 14 members are randomly selected what is the probability that all of them drinks alcohol beverage? 0.044 0 1 0.8 c.) A school is sending 12 children to a camp. If 20% of the children in the school are...
6. Suppoee that the probability of getting an A in a particular course is 0.08, and assume that the all student grades are independent. If you randomly sample 20 students taking the course (a) Find the expected number of students that will get an A, and the standard deviation of number of students that will get an A. (b) Find the probability that no student gets an A. (e) Find the probability that at most 2 students get an A....
(4) The time required to complete a final exam in a particular college course is normally distributed with a mean of 75 minutes and a standard deviation of 15 minutes. Answer the following questions: (a) (for a randomly selected student) What is the probability of completing the exam in 1 hour or less? (4) (b) What is the probability a randomly selected student will complete the exam in more than 60 minutes but less than 75 minutes? (4b) (c) Assume...
Will rate!!
Suppose 81% of all students taking a beginning programning course fail to get their first program to run on first submission. Consider a group of S such students,where each student's success is independent from the other and the chance each student fails on their first try is consistent. (Round answers to three decimal places.) (a) If X is the number of students whose program fails on the first run, then X comes from a binomial distribution with: n-...
Winning the jackpot in a particular lottery requires that you select the correct two numbers between 1 and 38 and, in a separate drawing, you must also select the correct single number between 1 and 52. Find the probability of winning the jackpot. The probability of winning the jackpot is (Type an integer or simplified fraction.) A biology class has 32 students. Find the probability that at least two students in the class have the same birthday. For simplicity, assume...
6. Students in one statistics course need to earn a grade of at least C, otherwise they need to repeat the course. It is also known that 85% of all students who attend class regularly will earn a grade of at least C, while only 30% of those students who do not attend class regularly will earn a grade of at least C. Historically, 80% of all students in this course attend class regularly. You must explicitly define any events...
Question 2. Gopal is taking a Probability course, and would like to find a study-partner to discuss concepts that are being covered in his class and brainstorm ideas on applying them in day-to-day scenarios. He feels that the collaboration would be most effective if he finds a study-partner who lives within 5 miles of his residence. Assume that each student in his class has a 0.3 probability of living in his 5-mile neighborhood, independently of other students. 1. What is...
any help with these problems?
0 2 pts ect Question 13 The addition rule for probability P(A U B) for: p(A) + P(B)-PA n В) is used finding the probability that A happens, then B happens. hinding the probability that A doesn't happen, but B does happen. finding the probability that A or B or both happen 9 inding the probability that A and B both happen Quiz Score: 5.8 out of Question 12 0/ 2 pts The multiplication rule...
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