50. Sampling senators The two-way table below describes the members of the U.S Senate in a recent year. Male Female Democrats 47 13 Republicans 36 4 If we select a U.S. senator at random, what's the probability that the senator is (a) a Democrat? (b) a female? (c) a female and a Democrat? (d) a female or a Democrat?

Q: Management: The Bureau of Labor Statistics reported that 64.7 million women and 74.5 million men…

A: Given Information: The Bureau of labor statistics reported that 64.7 million women and 74.5 million…

Q: Three Children Three children are selected, and their gender recorded. Assume that males and females…

A: The possible outcomes are: BBB, BBG, BGB, GBB, BGG, GBG, GGB, and GGG   Total possible outcome…

Q: The Times of Oman, leading newspaper had organized reading competition for the students and the…

A: Given that, The Times of Oman, leading newspaper had organized reading competition for the students…

Q: Activity 3: Intersection and Union of Events The extracurricular activities in which the senior…

A: Given N =total number of students =345 Let event A = be the student selected in athletics. n(A) =…

Q: A bag contains 44U.S. quarters and six Canadian quarters. (The coins are identical in size.) If six…

A: Given,  bag contains 44 U.S. quarters and 6 Canadian quarters We have to pick 6 quarters randomly

Q: 5.20. A dealer sells 20 vehicles each week. 80% of all purchasers of a vehicle buy a service package…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks   Proportion of…

Q: 2.24 Exit poll: Edison Research gathered exit poll results from several sources for the Wisconsin…

A:

Q: Management The Bureau of Labor StatistiCs reported that 64,9 million women and 74.3 million men were…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 14. INVESTMENT ANALYSIS Paul Hunt is considering two business ventures. The anticipated returns (in…

A:

Q: 4. Employees in the textile industry can be segmented as follows: Employees Number Female and union…

A: we have two solution for the answer  solution 1 FU = 12,000/(12,000 + 25,000 + 21,000 + 42,000) =…

Q: 6. Playlists Your list of favorite songs contains 10 rock songs, rap songs, and 3 country songs. a)…

A:

Q: Mr. Berger's Class The chart shows the number of students enrolled in Mr. Berger's geometry class. A…

A: We need to find the probability.

Q: 3) Abakeris deciding how many batches of muffins to maketo sell in his bakery. He wants to make…

A: Given Information :  A bakers is deciding how many batches of muffins to make to sell in his bakery…

Q: Fishing: Billfish Ocean fishing for billfish is very popular in the Cozumel region of Mexico. In…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Work this problem involving rental cars with navigation systems. Assume that the car lot contains…

A:

Q: 1. what do you think this diagram is trying to illustrate? 2. What is the probability, written as a…

A: 1) The diagram represents the sample space for gender of children if a couple have three children.…

Q: A standard admissions test was given at three locations. One thousand students took the test at…

A: Given 70% of students who passed the test are from location A. 68% of students who passed the test…

Q: Officers The offices of president, vice president, secretary, and treasurer for an environmental…

A:

Q: 2. The manager of computer store has kept track of computers sold per day. Based on this…

A: Let , random variable X be number of computers sold per day The probability distribution of random…

Q: Exit Poll Statistics problem:

A: Let the events, A: The respondent voted in favor of Scott Walker, K: The respondent has a college…

Q: 6. A recent survey reported in Bloomberg Businessweek dealt with the salaries of CEOS at large…

A: As per Bartleby guideline expert have to answer first question three subparts only dear student…

Q: 2.24 Exit poll:  Edison Research gathered exit poll results from several sources for the Wisconsin…

A:

Q: 32. A field trip in Bukidnon was organized by an institution as part of their goals to extend…

A:

Q: School Attendance A district is interested in attendance for students in middle and high school. The…

A: Let's find.

Q: Keep-Fit gymnasium offers four types of subscriptions, Gold, Silver, Bronze and Platinum. It was…

A: Let A1, A2, ... , An be n mutually exclusive and exhaustive events with P(Ai) > 0 for all i = 1,…

Q: Example Ten percent of items produced on a machine are usually found to be defective. What is the…

A:

Q: Diamond is playing a game. In the game she has to spin a spinner that is divided into equal sections…

A: Given that there are 4 colors on the spinner. So, P(pink)=1/4 P(red)=1/4

Q: Job Training In a large on-the-job training program, half of the participants are female and half…

A: Given : n = no. of participants= 5Also given that,No. Of female participants = 1/2 of…

Q: 40% being retail accounts. These different accounts are processed by the retail and wholesale…

A: We have ,  P(Retail division) = 0.4 P(Wholesale division) = 1 - 0.40 = 0.6  P(Error | Retail…

Q: 3. The probability model of the number of dinners that a typical American cook in a week is as…

A:

Q: Doctor Specialties: Below are listed the numbers of doctors in various specialties by gender.…

A: Probability quantifies the chances of an event happening. The probability values always lie in the…

Q: Titanic Here is a table we first saw in Chapter 2 showingwho survived the sinking of the Titanic…

A: (a) The probability that an individual draw at random is crew member         = 8852201 = 0.4020(b)…

Q: Management: The Bureau of Labor Statistics reported that 64.6 million women and 74.3 million men…

A: Given :   Management job Employed Total Women 25.1 64.6 89.7 Men 24.7 74.3 99 Total 49.8…

Q: Example 31. A bag contains 5 green and 7 red balls. Two balls are drawn. What is the probability…

A: Answer:

Q: Probability Theory and an Introduction to Mathematical Statistics 6) A certain math class consists…

A:

Q: Multiple Births. The number of multiple births in the United States for a recent year indicated that…

A: TYPE OF SET NO OF SET NO OF BABIES IN ONE SET TOTAL NO OF BABIES        TWINS 128665 2 257330…

Q: 2.24 Exit poll:  Edison Research gathered exit poll results from several sources for the Wisconsin…

A: E1: Voted in favor of Scott Walker P(E1) = 0.52 E2: Voted against Scott Walker   P(E2) = 0.48 A:…

Q: 19. The chance for precipitation (rain) in Washington, DC this weekend is about 40% everyday. (a)…

A: As per given by the question, find the probability that it will rain on Friday, Saturday, and Sunday…

Q: 2.24 Exit poll:  Edison Research gathered exit poll results from several sources for the Wisconsin…

A:

Q: researcher is selecting lab rats for her experiment.  She assigns each rat a number and picks…

A: We have to find given probability.

Q: Membership selection. A town council has 13 members, 6 Democrats and 7 Republicans. (A) (B) t the…

A:

Q: 1. Consider a game played by rolling a set of three 3-sided dice one time and adding the values from…

A: Let X be the sum of numbers that appeared on the dice. Let y be the price for getting 6. Then the…

Q: 32. A field trip in Bukidnon was organized by an institution as part of their goals to extend…

A: The data is given by   Men Women Boys Girls Total Rescued 20 10 7 16 53 Missing 15 13 10 8 46…

Q: If we look at college course enrollment it is known that 28% of college students take at least one…

A:

Q: 2. The probability model of the number of dinners that a typical American cook in a week is as…

A: From the provided information, Number of dinners 0 1 2 3 4 5 6 7 Probability…

Q: Edison Research gathered exit poll results from several sources for the Wisconsin recall election of…

A:

Q: A standard admissions test was given at three locations. One thousand students took the test at…

A: Given:  P(A) = 10001000+600+400 = 0.50, P(B) = 6002000= 0.30, P(C) = 4002000= 0.20

Q: Management: The Bureau of Labor Statistics reported that 64.6 million women and 74.9 million men…

A: a. Out of 64.6+74.9 = 139.5 millions, 64.6 millions are women. so the required probability is ,…