An airport limousine can accommodate up to four passengers on any one trip. The company will accept a maximum of six reservations for a trip, and a passenger must have a reservation. From previous records,15% of all those making reservations do not appear for the trip. Answer the following questions, assuming independence wherever appropriate. (Round your answers to three decimal places.)USE SALT(a) If six reservations are made, what is the probability that at least one individual with a reservation cannot be accommodated on the trip?0.776(b) If six reservations are made, what is the expected number of available places when the limousine departs?0.054places(c) Suppose the probability distribution of the number of reservations made is given in the accompanying table.Number of reservations3650.29Probability0.150.35Let X denote the number of passengers on a randomly selected trip. Obtain the probability mass function of X.0123Need Help?Xp(x)0.032Watch ItX0.14640.21X 0.284X0.292X0.388

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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...

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70% of all bald eagles survive their first year of life. Give your answers as decimals, not percents. If 34 bald eagles are randomly selected, find the probability that a. Exactly 22 of them survive their first year of life. b. At most 24 of them survive their first year of life. c. At least 25 of them survive their first year of life. d. Between 21 and 29 (including 21 and 29) of them survive their first year of life. Submit Question
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If the prevalence of a certain condition in the population is 0.8. What is the probability that no one in a sample of ten has the condition? Write as a proportion rounded to two places.
es The Internal Revenue Service is studying the category of charitable contributions. A sample of 25 returns is selected from young couples between the ages of 20 and 35 who had an adjusted gross income of more than $100,000. Of these 25 returns, five had charitable contributions of more than $1,000. Four of these returns are selected for a comprehensive audit. a. The hypergeometric distribution is appropriate because it is Osampling a small population without replacement. O sampling a small population with replacement. O sampling a large population without replacement. b. What is the probability exactly one of the four audited had a charitable deduction of more than $1,000? (Round your answer to 4 decimal places.) Probability
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