There are 66 employees in a certain firm. We know that 36 of these employees are male, 14 of these males are secretaries, and 29 secretaries are employed by the firm. What is the probability that an employee chosen at random is a secretary, given that the person is a male?

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A: The probability density function is given as:The required results need to be obtained for the given…

Q: Hollywood studio believes that a movie that is considered a drama will draw a larger crowd on…

A: n1=10,x1¯=160,s1=30n2=15,x2¯=140,s2=10

Q: The annual per capita consumption of bottled water was 33.5 gallons. Assume that the per capita…

A: "Since you have posted a question with multiple subparts we will provide solutions only to the first…

Q: Suppose that a researcher, using data on class size (CS) and average test scores from 102…

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Q: The annual amounts of rainfall in a certain region are modeled using the normal distribution shown…

A: here given mean = 41.8 cm and standard deviation = 5.3 cm

Q: Which is NOT an appropriate criteria when evaluating if sample observations are independent   a.…

A: The objective of the question is to identify which of the given options is not a valid criteria for…

Q: Assume the returns from holding an asset are normally distributed. Also assume the average annual…

A: Given ,The returns from holding an asset are normally distributed .Also , given that 15.733.6We have…

Q: Find the standardized test statistic t for a sample with n=25, x=26, s = 3, and a = 0.005 if H₂:…

A: The sample size, n=25The sample mean, x¯=26.The sample standard deviation, s=3.

Q: Required information [The following information applies to the questions displayed below.] Felix &…

A: Enter the data set in Excl as follows:The regression equation for estimating the Total cost (i.e.,…

Q: SAT scores are normally distributed with a mean of 1,500 and a standard deviation of 300. An…

A: The objective of this question is to determine the sample size needed to estimate the average SAT…

Q: s part of a survey, a marketing representative asks a random sample of 28 business owners how much…

A: n=28,s=sample standard deviations=3436

Q: Month January February March April May June July August September October November December 2016…

A: Month number…

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A: Central Limit Theorem: The central limit theorem states that the sampling distribution of the sample…

Q: The data in the table represent the number of licensed drivers in various age groups and the number…

A: The given data is as follows:AgeNo. of male Licensed Drivers (000s)No. of Fatal crashes (Males)No.…

Q: What is the probability that fewer than ten of them used their phones for guidance on purchasing…

A: The random sample of cell phone owners is studied, The percentage of cell phone owners who use their…

Q: If the random variable X denotes the real valued outcomes given in the following table with the…

A: The tableOutcome -2-1012Frequency 2323282617.

Q: A magazine includes a report on the energy costs per year for 32-inch liquid crystal display (LCD)…

A: n=14, s=3.78

Q: Calculate the standard deviation of the data shown. Use technology. X 14.7 8.6 7.4 6.1 21.4 17.5…

A: Given data are,14.7, 8.6, 7.4, 6.1, 21.4, 17.5Total number of data, n = 6We need to find the…

Q: A project consists of three tasks: A, B, and C. Task A is known to take five days for sure. Tasks B…

A: The time to completion of task A is 5 days.The tasks B and C are dependent on the task A.The time to…

Q: A professor is concerned that the two sections of college algebra that he teaches are not performing…

A: The objective of this question is to test the professor's claim that the two classes he teaches are…

Q: A Hollywood studio believes that a movie that is considered a drama will draw a larger crowd on…

A: The sample infomration for the data from the two populations is given as:nsDrama1815050Comedy1311030

Q: In 2018 , RAND Corporation researchers found that  71 % of all individuals ages 66 to 69  are…

A: Sample size n=300Favorable cases x=165

Q: After giving a test to a group of students, below are the summary of grades by gender. А Male Female…

A: Total = 67Total earn a B = 15

Q: Identify the problem with each of the questions/items below and then provide the accurate modified…

A: There are 3 items given and the objective is to identify the problem with each of the items and then…

Q: Identify the data set's level of measurement.The average room temperatures for each cell in a…

A: The objective of the question is to identify the level of measurement for the given data set. The…

Q: Assume that a procedure yields a binomial distribution with a trial repeated n = 5 times. Use some…

A:

Q: A professor is concerned that the two sections of college algebra that he teaches are not performing…

A: The objective of this question is to test the professor's claim that the two classes are not…

Q: Agnes, a General Manager in XXX Company, estimated a multiplicative demand function of the form:…

A: The given data is as follows:ConstantPrice (P)Income (I)Price of other good (Po)Estimated…

Q: A pharmaceutical company needs to know if its new cholesterol drug, Praxor, is effective at lowering…

A: The objective of this question is to test the pharmaceutical company's claim that its new…

Q: A new small business wants to know if its current radio advertising is effective. The owners decide…

A: From the provided information,

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A: The objective of this question is to determine the decision rule for rejecting the null hypothesis…

Q: The table shows the numbers of​ new-vehicle sales​ (in thousands) in the United States for Company A…

A: From the information, given that Let X denotes the sales of vehicles in company A( in thousands) as…

Q: In a sample of 1500 adult U.S. citizens, 690 said that Donald Trump was the worst president in U.S.…

A: Sample of size(n)=1500X=no.of adults who said Donald trump was the worst president in…

Q: Four hundred consumers are surveyed about a new brand of snack food, Crunchicles. Their age groups…

A: The data shows the a new brand of snack food, crunchicies and age groups.

Q: given the following histogram what of the following could be tru ? (Coulf be multiple) Given those…

A: In this question, a histogram is provided.The question's purpose is to select the correct options…

Q: Kaolin is taking a multiple choice math test. Each question has seven presented answers, but only…

A: It is given there are seven choices for one multiple choice answer, out of which one is correct.It…

Q: A company has a policy of retiring company cars; this policy looks at number of miles driven,…

A: X~N(55,7)P(34< X< 48)=?Emperical rule

Q: A professor is concerned that the two sections of college algebra that he teaches are not performing…

A: From the provided information,

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A: The objective of this question is to calculate the 98% confidence interval for the mean high…

Q: 1. A professor is interested in determining the impact of hours worked per day by students (variable…

A: The given data is as follows:XY0108029676301045278345The regression model shows a relationship…

Q: Let P be the one-step transition probability matrix of a Markov chain that takes value from {0, 1,…

A:

Q: Consider the following information: Probability of State of Economy .24 .59 .17 Economy Recession…

A: The following information about the two stocks has been provided as follows.EconomyProbability of…

Q: TIME 1 2 3 4 5 6 7 8 9 10 Qd 44 40 42 46 48 52 54 58 56 60 Price 10 9 11 12 11 12 13 13 14 15…

A: The given data is as follows: TimeQdPrice14410240934211446125481165212754138581395614106015

Q: A Hollywood studio believes that a movie that is considered a drama will draw a larger crowd on…

A: The objective of the question is to test the hypothesis that dramas draw a larger crowd on average…

Q: The Venn diagram here shows the number of people in each set. Use this to find the probabilit…

A: A Venn diagram shows the number of people in each sets.There are three sets namely, A,B, & C.

Q: Section Exercise 6-10 (Algo) The number of tickets purchased by an individual for Beckham College's…

A: The provided information is as follows:The number of tickets purchased by the individual for Beckham…

Q: Population 2. Step 2 of 3: Compute the value of the test statistic. Round your answer to three…

A: It is given thatFor sample 1:n1=13,x1¯=23.9,s1=1.9n2=6,x2¯=24.7,s2=1.6α=0.01

Q: Two draws are made at random with replacement from a box containing 8 tickets. The tickets are…

A: The given data is as follows:The tickets are labeled: S,U,N,S,H,I,N,E2 draws are made at random with…

Q: Instructions for problems 13-14. Answer the questions about the probability experiment: Tossing…

A: The provided information is as follows:The three coins are tossed.The objective is to determine the…

Q: A new small business wants to know if its current radio advertising is effective. The owners decide…

A: The objective of the question is to test the claim that the mean number of customers who make a…