(a) Find the probability that the person chosen is male given he is employed. (b) That the person is female given that she is unemployed
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4. A table is given below showing how people in a certain locality have been classified:
Employed Unemployed Total
Male 460 40 500
Female 140 260 400
Total 600 300 900
If one of them is chosen at random for a world tour to act as Ambassador of Goodwill for
new industries in town,
(a) Find the probability that the person chosen is male given he is employed.
(b) That the person is female given that she is unemployed
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- 7. An assembly line has two inspectors. The probability that the first inspector will miss a defective item is 0.05. If the defective item passes the first inspector, the probability that the second inspector will miss it is 0.01. What is the probability that a defective item will pass by both inspectors?The following table describes the smoking habits of a group of asthma sufferers Nonsmoker (NS) Smoker (S) Men (M) 275 50 Women (W) 147 30 If one of the peopleis randomly selected, what is the probability the subject is a smoker or a woman?The probability of passing the bar exam in a certain state is 2/3. If 10 people passed the test at a college in that state, then find the most likely value for the number of people who failed the test at that college.
- The graduates at a southern university are shown in the table. Art & Science Education Business A E B Male, M Female, F Total O A. P(FIE) = 424 526 117 OC. P(FIE) = - 342 324 666 A student is selected at random from the graduating class. Find the probability that the student is female, given that an education degree is not received, P(FIE'). 373 424 102 526 682 144 826 Total *** 1448 570 2018 102 526 B. P(FIE)=- OD. P(FIE) = 324 666A researcher is selecting lab rats for her experiment. She assigns each rat a number and picks numbers out of a hat while blindfolded. The pool of rats from which she is drawing participants is composed of the following: 23 male albino rats 21 male spotted rats 35 female albino rats 11 female spotted rats If she reaches into the hat once, what is the probability of choosing a female rat or an albino rat? Give your answer as a decimal rounded to 4 decimal places.Students in a psychology class are identified as either introverts or extroverts using a personality quiz. They are then asked how many close friends they have. The results are summarized in the table. Data fewer than 5 close friends 5 or more close friends introvert 15 3 extrovert 11 21 1. What is the probability that one of the students selected at random is an introvert with fewer than 5 close friends? 2. What is the probability that one of the students selected at random is an extrovert? 3. What is the probability that one of the students selected at random has fewer than 5 close friends?
- above are listed the numbers of engineers in various fields by gender at a company. if you choose one engineer at random, what is P(biomedical|Female) which is read "the probability that the engineer is biomedical given that the engineer is female." Mechanical Electrical Biomedical Female 7 5 6 Male 2 3 7Last semester, a certain professor gave 21 As out of 330 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives one grade.)The table below is based on the data at the beginning of this chapter and shows the probability of the next book requested falling into each of the three categories listed, assuming that each book is equally likely to be requested. Category of book Typical numbers Probability On the shelves (S) 20000 0.25 Out on loan (L) 44000 0.55 Unauthorised loan (U) 16000 0.20 Total (S + L + U) 80 000 1 What is the probability that a randomly requested book is either out on loan or on unauthorised loan (i.e. that it is not available)?
- A math class consists of 25 students, 14 female and 11 male. Three students are selected at random to participate in a probability experiment. Compute the probability that three females are selected. Probability of first student being a female = (as a fraction) Probability of second student being a female = (as a fraction) Probability of third student being a female = (as a fraction) Probability that three females are selected = (as a decimal rounded to the nearest thousandth)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 million people. Cause Deaths Passenger car occupant 13,100 Motorcycle driver 4,500 Tornado 553 Skydiving 56 c) What is the probability that you will die as a passenger car occupant next year? Make sure your answer is accurate to at least 2 significant figures (values after leading zeros) Question Help: DPost to forumThe data in the following table show the association between cigar smoking and death from cancer for 137,273 men. Note: current cigar smoker means cigar smoker at time of death. Click the icon to view the table. (a) If an individual is randomly selected from this study, what is the probability that he died from cancer? (b) If an individual is randomly selected from this study, what is the probability that he was a current cigar smoker? Data Table (c) If an individual is randomly selected from this study, what is the probability that he died from cancer and was a current cigar smoker? (d) If an individual is randomly selected from this study, what is the probability that he died from cancer or was a current cigar smoker? Died from Did Not Die Cancer from Cancer Never smoked cigars 118,334 8,292 805 Former cigar smoker 69 Current cigar smoker 170 9,603 Print Done
