The accompanying
The accompanying table gives the probability distribution of the number of courses randomly selected student has registered
Number of courses 1 2 3 4 5 6 7
Probability 0.02 0.03 0.1 0.3 0.4 - 0.01 respectively.
a) Find the probability of a student registering for six courses.
b) What is the probability that a randomly selected student has registered for at least five courses?
Number of courses 1 2 3 4 5 6 7
Probability 0.02 0.03 0.1 0.3 0.4 - 0.01 respectively.
a) Find the probability of a student registering for six courses.
b) What is the probability that a randomly selected student has registered for at least five courses?
Final Answer:
Tips for related online calculators
Would you like to compute the count of combinations?
You need to know the following knowledge to solve this word math problem:
Related math problems and questions:
- Siblings probability
The table contains information on the number of pupils according to the number of siblings: Number of siblings 0 1 2 3 and more Number of pupils 50 50 72 28 What is the probability that a randomly selected student has exactly two siblings? - 3 sigma
Students' performance scores in a statistic test have a mean of 70 and a standard deviation of 4.0. The scores obtained can be modeled by a normal distribution. Find the probability that the score of a randomly selected student is i. more than 80 marks ii - Pass a test
The student has to pass a test that contains ten questions. For each of them, he chooses one of 5 answers, with just one being correct. The student did not prepare for the test, so he randomly chose the answers. What are the probabilities that the student - Multiple-choice
A multiple-choice test consists of 4 questions. Each question has three different answers, with only one being correct. A student answers each question randomly. Determine the expected number of correct answers the student gets. - Students and exam
In a certain college, accounting is one of the courses. Among the accounting students, 60% are male. Among the male students, 75% passed the exams, while among the female students, 50% failed. (a) Present this information using a probability tree diagram. - Population variance
60% of students at a California community college will transfer to a college in the CSU system. The number of students in a sample who will transfer follows a binomial distribution. If eight students are randomly selected, find the population variance σ² - Records
Records indicate 90% error-free. If eight records are randomly selected, what is the probability that at least two records have no errors?
