3. A fair coin is tossed thrice. Let X be the number of heads that are observed. a. Construct the probability distribution of X. b. Find the probability that atleast 1 head is observed. 10. In how many ways can a club consisting of 25 members choose a president, a secretary, a treasurer, and an auditor?

3. A fair coin is tossed thrice. Let X be the number of heads that are observed. a. Construct the probability distribution of X. b. Find the probability that atleast 1 head is observed. 10. In how many ways can a club consisting of 25 members choose a president, a secretary, a treasurer, and an auditor?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

In a statistics class of 43 students, there were 15 men and 28 women. Five of the men and six of the women received an A in the course. A student is chosen at random from the class. 1. Find the probability that the student is a woman.2. Find the probability that the student received an A.3. Find the probability that the student is a woman or received an A.4. Find the probability that the student did not receive an A.
Please answer
Pls do parts d and e
Determine the probability of the following. Write your answer on the space provided. (20 Points) 1. If one card is shown from an ordinary deck of cards, find the probability of getting the following. a. A king or a queen c. A club or a heart or a spade d. An Ace or a diamond b. A king or a queen or a diamond
The mean number of boxes shirts purchased from a souvenir store per week is 5. Find the probability that in a week there are three or more boxes of shirts sold. a. 0.543 b. 0.491 c. 0.549 d. 0.351
Answer this question correctly deals with probability of simple events.
2- Please solve all sub-part questions with steps. Note: A = 19 and B = 9099
1. Use this table for the following questions: Female Male TotalShort Hair 20 40 60 Long Hair 30 10 40 Total 50 50 100 a. Complete a total probability table.b. Complete a row probability tablec. Complete a column probability table.d. The probability that a student does not have long hair. _________e. The probability that a student is male or has short hair. ________f. The probability that a student is a female and has long hair. _________g. The probability that a student is male, given that the student has long hair. _________h. The probability that a student has long hair, given that the student is male. _________i. Of all the female students, the probability that a student has short hair. ________j. Of all students with long hair, the probability that a student is female. _________k. The probability that a student is female or has long hair.…
Find the indicated probability. 21. A hotel estimates that 95.5% of people who book a room actually show up. If the hotel takes reservations for 122 rooms in a hotel that has 120 rooms, what is the probability that the number of people who show up will exceed the capacity of the hotel?