Suppose that an employee arrives late 15% of the time, leaves early25% of the time, and both arrives late and leaves early 5% of thetime. What is the probability that on a given day that employee willeither arrive late or leave early (or both)?O 0.35O 0.25O None of theseO 0.45

Suppose that an employee arrives late 15% of the time, leaves early 25% of the time, and both…

Answered: time. What is the probability that on a…

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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Sickle cell anemia is an inherited disease in which red blood cells become distorted and deprived of oxygen. A person with two sickle cell genes will have the disease, but a person with only one sickle cell gene will have a mild, non-fatal anemia called sickle cell trait. Using S to represent the sickle cell gene, and s a healthy gene, the table shows the four possibilities for the children of two Ss parents. Find the probability that these parents give birth to a child who has sickle cell anemia. Second Parent First Parent Ss sS P(child has sickle cell anemia) =| (Type an integer or a simplified fraction.)
Studies show that historically a certain city is hit by a tornado about once every 5 years. What is the probability that the city will be hit by a tornado in two consecutive years?
EXAMPLE 5 If 3 balls are "randomly drawn" from a bowl containing 6 white and 5 black balls, what is the probability that one of the balls is white and the other two black?
Suppose you want to estimate the probability that a patient will develop an infection while hospitalized at a particular hospital. In the past year, this hospital had 8,650 patients, and 812 of them developed an infection. What is the estimated probability that a patient at this hospital will develop an infection? 812 O P(the patient develops an infection) 8650 1 P(the patient develops an infection) = 8650 5738 O P(the patient develops an infection) 8650 O P(the patient develops an infection) = 812 812 O P(the patient develops an infection) 5738
Please help.
Suppose that the probability is 0.0122 that a person who purchases a ticket for an airplane does not show up for the flight. If 250 tickets are sold for an airplane flight that has 247 seats what is the probability that there will not be enough seats available for this flight? O A. 0.1900 B. 0.6360 O C. 0.5893 O D. 0.4107
Example 3. A preliminary test is customarily given to the students at the beginning of a certain course. The following data are accumulated after several years: (a) 95% of the students pass the course, 5% fail. (b) 96% of the students who pass the course also passed the preliminary test. (c) 25% of the students who fail the course passed the preliminary test. What is the probability that a student who has failed the preliminary test will pass the course? Fail 95% preliminary test pass course 5% fail Figure 3.4 Let A be the event "fails preliminary test" and B be the event “Passes course." The probability we want is then PA(B) in (3.8), so we need P(AB) and P(A). P(AB) is the probability that the student both fails the preliminary test and passes the course; this is P(AB) = (0.95)(0.04) = 0.038. (See Figure 3.4; 95% of the students passed the course and of these 4% had failed the preliminary test.) We also want P(A), the probability that a students fails the preliminary test; this event…
Suppose that 51% of the people who inquire about investments at a certain brokerage firm end up investing in stocks, 41% end up investing in bonds, and 61% end up investing in stocks or bonds (or both). What is the probability that a person who inquires about investments at this firm will invest in both stocks and bonds? Write your answer as a decimal (not as a percentage).
The following table represents the numbers of students in a section of Math 120 with declared or undeclared majors along with their class. What is the probability that a student who is a sophomore has a declared major? Enter your answer in decimal form and round to four decimal places if rounding is necessary.Probability that a student who is a sophomore has a declared major = Freshman (F) Sophomore (H) Junior (J) Total Declared (D) 114 28 4 146 Undeclared (U) 9 7 1 17 Total 123 35 5 163
The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For these questions,assume these values are not changing from year to year, and that the population of the United States is 312 millionpeople. Cause of Death in US Cause Number of deaths Passenger car occupant 13,100 Motorcycle driver 4,500 Tornado 553 Skydiving 56 What is the probability that you died as a passenger car occupant last year?

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time. What is the probability that on a given day that employee will either arrive late or leave early (or both)?