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A jury roll contains 200 names, 70 being females and 130 being males. If twelve jurors are randomly selected ,what is the probability of ending up with an all-male jury?
number of ways to select 12 out of 200 names is 200C12
probability=favourable cases/Exhaustive cases
Please provide full working and explanation with correct answer A jury roll contains 200 names, 70...
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2. A new vaccine has an 70% success rate for males and 40% success rate for females. Assume that there are about 50% females and males in the population. (a) [10 points] A randomly selected person from our class is given the vaccine, and the vaccine turned out to be effective. What is the probability that the person was male? (b) [4 points] What is the probability that the person...
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Question 4 Answer saved Marked out of 4.00 Flag question In a typical aggressive interaction, Select one: a. honesty of communication increases as aggressive behavior escalates b. young and subordinate animals seek to enhance their position by skipping displays and rapidly escalating to combat against dominant ones c. combat is risky only when opponents are evenly matched d. bluffing is a useful strategy at all stages o e. submissive behavior is released by the sign stimulus...
the answer for 12 is C
the answer for 13 is C
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Table 9-1 This table shows the 2013 data for males and females aged 15 and over in the country of Dan. Not in the Labour Force Male Female 45 million 35 million Unemployed Male Female 5 million 5 million Employed Male Female 85 million 65 million 12. Refer to the Table 9-1. What is the adult female labour force in Dan? a....
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Seventy-five percent of people with chronic migraines are female, and sixty-two percent those females use Botox to treat their migraines. It is known that fifty-five percent of people with chronic migraines use Botox to treat their migraines. A person is selected at random from the population of chronic migraines sufferers. a) Define the events. b) Write down the given probabilities. c) What is the probability that...
Please provide explanation to the correct answer. Question #12 Selected accounts with some debits and credits omitted are presented as follows: Work in Process Oct. 1 Balance 20,000 Oct. 31 Goods finished X 31 Direct materials 96,700 31 Direct labor 201,000 31 Factory overhead X Finished Goods Oct. 1 Balance 52,000 31 Goods finished 360,000 If the balance of Work in Process at October 31 is $21,000, what was the amount of factory overhead applied in October?...
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Write a program that generates an array filled up with random positive integer number ranging from 15 to 20, and display it on the screen. After the creation and displaying of the array, the program displays the following: [Plosition [RJeverse, [Ajverage, [SJearch, [Qjuit Please select an option: Then, if the...
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Case Study: You are a nurse working in an emergency department. Your new admission is a 22 year-old-male brought in by the paramedics after fainting during a try out session for his university's competitive hockey team. The patient states he was experiencing some chest pain and dizziness right before fainting. He denies having any past medical history or taking any medication. His vital signs at the time the paramedics arrived at the...
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The following table gives the number (lin millions) of men and women over the age of 24 at each level of educational attainment Did not College a Total Completed Some Gender complete high school college graduate high school Males 12.9 15.9 96.3 30.7 90.8 128 41.31037 103.7 Females 12.8 25.7 31.8 17.8 200 62.5 78.1 Total 33.7 A What is the probability that a randomly selected person over the age of 24 did not complete high school?(answer with...
Question 1 Select one answer. Let A and B be two independent events. If P(A) = 0.5, what can you say about P(A | B)? Cannot find it because P(B) is not known. Cannot find it because P(A and B) is not known. Cannot find it because both P(B) and P(A and B) are not known. It is equal to 0.5. It is equal to 0.25. Question 2 Select one answer. Suppose a basketball team had a season of games...
Please answer all questions below 2. For a population with a mean equal to 250 and a standard deviation equal to 25, calculate the standard error of the mean for the following sample sizes. a) 10 b) 40 c) 70 3. Managers at a local phone service wireless retail center have a goal that 74% of the center's customers will have to wait less than five minutes for service. The data below shows the wait times of a random sample...