Zara runs a home business based on art and craft items. She sells her products either through taking orders online from her website or art exhibitions. Based on her previous data, 40% of the orders are received from art exhibitions. Suppose 18 orders were booked independently, what is the probability that a) Between eight and ten orders were booked through website? b) What is the probability that the 3" order placed is the first order booked from website? c) What is the probability that the 8th order placed is the fourth order booked from website?

Zara runs a home business based on art and craft items. She sells her products either through taking orders online from her website or art exhibitions. Based on her previous data, 40% of the orders are received from art exhibitions. Suppose 18 orders were booked independently, what is the probability that a) Between eight and ten orders were booked through website? b) What is the probability that the 3" order placed is the first order booked from website? c) What is the probability that the 8th order placed is the fourth order booked from website?

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

Suppose the probability of an IRs audit is 4.2 percent for U.S taxpayers who file form 1040 and who earned 100,000 or more. what are the odds that such taxpayer will be audited? what are the odds against such taxpayer being audited?
7.) The Pew Internet and American Life Project reported in 2004 that 55% of current music downloaders say they are using paid services. Consider a random sample of 18 music downloaders.a.) Find the probability that the sample contains 15 music downloaders who are usingpaid services using the formula.b.) Find the probability that the sample contains 10 or fewer music downloaders who areusing paid services using the calculator.c.) Find the probability that the sample contains 9 or more music downloaders who areusing paid services using the calculator.d.) Find the probability that the sample contains between 8 and 15, inclusive, musicdownloaders who are using paid services using the calculator.e.) Find the mean number of music downloaders who are using paid services.f.) Find the standard deviation of music downloaders who are using paid services.
The histogram below gives the length of service of members of the Department of English at a particular university. The classes, in years of service, are 0−−4.9, 5−−9.9, etc., and the vertical axis represents the number of faculty. 1) What percent of the department faculty have less than 15 years of service? 2) If a member of the department is chosen at random to serve on a university committee, what is the probability (in decimal form) that the chosen representitive will have between 5 and 45 years of service? 3) What is the probability the representative above will have less than 20 years of service given that the person has less than 25 years of service?
6. The probability that a randomly chosen adult resident of Bayview city owns a boat is 0.16. The probability that a randomly chosen adult rents an apartment is 0.30. The probability that the adult owns a boat given they rent an apartment is 0.20. Find the probability that a randomly chosen adult rents an apartment and owns a boat.
According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that the Tampa Bay Buccaneers will score a touchdown on their opening drive is 0.03. The probability that the Bucs will both score a touchdown on their opening drive and have 3 or more sacks in the game is 0.22. The is the probability that they will either score a touchdown on the opening drive or have 3 or more sacks in the game is 0.37. What is the probability that the Bucs will have 3 or more sacks in the game?
You are dealt a hand of 7 cards from a standard deck of 52 cards. Find the probability of being dealt four clubs and three cards with one card of each other remaining suit. The probability is (Round to six decimal places as needed.)
2. In the class of Mr. Matic, the probability that a student likes both mathematics and science is 0.051. The probability that a student likes science is 0.17. What is the probability that a student likes mathematics given that he/she likes science?
According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that the Tampa Bay Buccaneers defense will have 3 or more sacks in the game is 0.07. The probability that the Bucs will both score a touchdown on their opening drive and have 3 or more sacks in the game is 0.34. The is the probability that they will either score a touchdown on the opening drive or have 3 or more sacks in the game is 0.20. What is the probability that the Bucs will score a touchdown on their first drive? Answer in decimal form. Round to two decimal places as needed.
According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that the Tampa Bay Buccaneers defense will have 3 or more sacks in the game is 0.05. The probability that the Bucs will both score a touchdown on their opening drive and have 3 or more sacks in the game is 0.25. The is the probability that they will either score a touchdown on the opening drive or have 3 or more sacks in the game is 0.25. What is the probability that the Bucs will score a touchdown on their first drive? Answer in decimal form. Round to two decimal places as needed. Your Answer:
Jessie is creating a 10-character password that consists ofnumbers and letters (Each digit will be considered a character). He isnot allowed to have repeated characters, but lower case letters andupper-case letters are allowed (ex. “a” and “A” will be considereddifferent characters).a. How many different passwords can he create if “a” and “A” mustbe a part of the password. b. How many different passwords can he create if there must beat least 8 digits in the password?
According to a study done at Otago University Wellington, the probability a randomly selected individual will not cover their mouth when sneezing is 0.267. Suppose you sit on a bench in a mall and you observe 10 people as they sneeze. What is the probability that at least 3 of the people will not cover their mouth when they sneeze?