A sample of students, faculty, and administration from a large university were asked if they were in favor ofincreasing parking fees to build a new parking lot.First fill out the table. Then answer the questions.StudentsFacultyAdminTotalIn Favor2310617Against57938610Totala. What's the probability that a person selected at random is in favor of increasing the fees?b. What's the probability that a person selected at random is a student?c. What's the probability that a randomly selected person is a student, given that they are in favor of increasingparking fees?Give your answers as fractions or as a decimal rounded to four places after the decimal point.

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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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From a lot of 15 missiles, 4 are selected at random and fired. If the lot contains 6 defective missiles that will not fire, what is the probability that 3 will not fire? (Note: write the probability as an integer or as a percentile without the % sign) Answer:
In the United States, voters who are neither Democrat nor Republican are called Independent. It is believed that 10% of voters are Independent. A survey asked 26 people to identify themselves as Democrat, Republican, or Independent. A. What is the probability that none of the people are Independent? B. What is the probability that fewer than 6 are Independent? C. What is the probability that more than 3 people are Independent?
A statistics teacher gives a 10-question multiple-choice pop quiz with five answer choices per problem. Brandon is not prepared and has to guess the answer for each of the 10 questions. The teacher explains that students will receive a free homework pass if they answer at least five questions correctly. What is the probability that Brandon will earn a free homework pass? A. 0.006 B. 0.026 C. 0.033 D. 0.967 E. 0.994
An IQ test contains (20) multiple choice questions. You have to answer all of these questions knowing that the pass grade for this test is to answer (10) or more questions correctly. Assume that you will answer the questions randomly and the probability for answering each question correctly is (0.6).A. What is the probability that you will pass the test?B. What is the probability that you will answer all questions correctly?C. What is the probability that you will answer all questions wrongly?D. What is the probability that you will answer at most three questions wrongly?E. What is the probability that you will answer at least three questions correctly?F. What is the probability that you will answer the first three questions correctly?G. What is the probability that you will answer only the first three questions correctly?
A coin is flipped twice. Using “H” to denote heads and “T” to denote tails, write the sample space. What is the probability of getting one head and one tail?
American Airlines flights from Dallas to Chicago are on time 80% of the time. Suppose 15 flights are randomlyselected, and the number of on-time flights is recorded.a. Find the probability that fewer than 10 flights are on time.b. Find the probability that at least 10 flights are on time.
There are 11 players on a baseball team, all with roughly equal athletic ability. The coach has decided to choose the players who will play the four infield positions (first base, second base, third base, and shortstop) randomly. Tori and Brittany are on a team. Determine the probability of Tori and Brittany being chosen to play in the infield
Question: A survey is conducted among 70 people. Details about if theyhave diabetes and their family history of diabetes are collected. 48 people reported that they have a family history of diabetes. 32 of them reported to have diabetes among which 23 of them had a family history of diabetes. Construct a contingency table with this information. What is the probability that an individual has diabetes given that the individual had a family history of diabetes?
There is a football game on Friday evening. If it is raining, 5000 people are expected to attend. If it is not raining, 18000 people are expected. The weather forecast is for 19% chance of rain on Friday. What is the expected attendance at the game?
A multiple choice test contains five questions, and each question has three possible answers. A passing grade is three or more correct answers. What is the probability of passing if you guess the answers at random?
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