At a local community college, 40% of students who enter the college as freshmen go on to graduate. Seven freshmen are randomly selected. b. What is the probability that at most six will graduate from the local community college? (Do not round intermediate calculations. Round your final answer to 4 decimal places.)
Added by Alyssa T.
Step 1
40^7 * 0.60^0 P(X = 7) = 1 * 0.40^7 * 1 P(X = 7) = 0.40^7 Show more…
Show all steps
Close
Your feedback will help us improve your experience
Aarti Kumari and 74 other Intro Stats / AP Statistics educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
At a local community college, 40% of students who enter the college as freshmen go on to graduate. Ten freshmen are randomly selected. a. What is the probability that none of them graduates from the local community college? (Do not round intermediate calculations. Round your final answer to 4 decimal places.) b. What is the probability that at most nine will graduate from the local community college? (Do not round intermediate calculations. Round your final answer to 4 decimal places.) c. What is the expected number that will graduate? (Round your final answer to 2 decimal places.)
Audrey F.
At a local community college, 41% of students who enter the college as freshmen go on to graduate. Six freshmen are randomly selected. a. What is the probability that none of them graduates from the local community college? (Round your final answer to 4 decimal places.) Probability b. What is the probability that at most five will graduate from the local community college? (Round your final answer to 4 decimal places.) Probability c. What is the expected number that will graduate? (Round your final answer to the nearest whole number.) Expected number
Joanna Q.
In a high school graduating class of 128 students, 52 are on the honor roll. Of these, 48 are going on to college; of the other 76 students, 56 are going on to college. What is the probability that a student selected at random from the class is (a) going to college, (b) not going to college, and (c) not going to college and on the honor roll?
Sequences, Series, and Probability
Probability
Recommended Textbooks
Elementary Statistics a Step by Step Approach
The Practice of Statistics for AP
Introductory Statistics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD