Classification Supervisors Event Number of Employees AB Α 120 Maintenance B 50 Production C 1,460 Management Secretarial DE Ꭰ 302 68
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A: Solution
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A:
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- What is the
probability that the first person selected is either in maintenance or in secretarial?
0.200
B. 0.0150
C. 0.0590
D. 0.00100
E. None of the choices are correct
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- A group of people were asked if they had run a red light in the last year. 146 responded "yes", and 112 responded "no".Find the probability that if a person is chosen at random, they have run a red light in the last year. Give your answer as a fraction or decimal accurate to at least 3 decimal placesA study conducted at a certain college shows that 56% of the school's graduates find a job in their chosen field within a year after graduation. Find the probability that 11 randomly selected graduates all find jobs in their chosen field within a year of graduating. Round to the nearest thousandth if necessary. O 0.150 0.169 0.0017 O 0.009A group of people were asked if they had run a red light in the last year. 349 responded "yes", and 144 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year. Give your answer as a fraction or decimal accurate to at least 3 decimal places
- Given that every ninth person in line will get a coupon for a free box of popcorn at the movies, what is the probability that you don’t get a coupon when you’re in line? Enter a fraction or round your answer to 44 decimal places, if necessary.A certain affects virus 0.7% of the population. A test used to detect the virus in a person is positive 89% of the time if the person has the virus (true positive) and 15% of the time if the person does not have the virus (false postive). Fill out the remainder of the following table and use it to answer the two questions below. Infected Not Infected Total Positive Test Negative Test Total 700 99,300 100,000 a) Find the probability that a person has the virus given that they have tested positive. Round your answer to the nearest tenth of a percent and do not include a percent sign.P(Infected | Positive Test)= %b) Find the probability that a person does not have the virus given that they test negative. Round your answer to the nearest tenth of a percent and do not include a percent sign.P(Not Infected | Negative Test) = %Suppose that 1.4% of men and 3.6% of women have night-blindness. Assume the population consists of 4 times as many men as women. A person is chosen at random from the population and is known to have night- blindness. What is the probability that this person chosen is a woman? Do not include a % sign when reporting your answer. Answer in units of percent. Your answer must be within ± 2.0% Your answer must be within ¹2%.
- A family has two cars that are insured, a sports car and a commuting vehicle. The probability that the sports car is in an accident in the next 4 years is 0.014. The probability that the commuting vehicle is in an accident in the next 4 years is 0.004. Assuming that accidents are independent events, compute the probability that at least one of the two cars is in an accident in the next 4 years. Use three decimal place accuracy. (Don't hand writing solution)Which of the following cannot be a probability? O a. 2/9 O b. 0.16 с. 1 O d. 7/3A data form asks for applicants' birth dates in the form mm/dd/yyyy. Find the probability that the number made up of the first two digits on a form is greater than 00.
- Assume that when adults with smartphones are randomly selected, 45% use them in meetings or classes. If 9 adult smartphone users are randomly selected, find the probability that at least 6 of them use their smartphones in meetings or classes. The probability is 0.9502. (Round to four decimal places as needed.) CHEQuestion list O Question 1 O Question 2 O Question 3 O Question 4 C Question 5 O Question 6 O Question 7 O Question 8 O Question 9 O Question 10 K Shoppers at Pageturner's Bookstore are tracked, with the following results: 39% visit the periodicals section, 54% visit the fiction section, and 26% visit the children's section. Furthermore, 22% visit the periodicals and fiction section, 15% visit the periodicals and the children's section, 14% visit the fiction and the children's section, and 10% visit all three sections. A shopper is randomly chosen. Complete parts (a) through (d) below. a. Find the probability that the shopper visited the fiction or the children's section. First identify the probabilities in the Venn diagram to the right and write them in decimal form. Let event P = the event that a shopper visits the periodicals section, let event F = event that a shopper visits the fiction section, and let event C = event that a shopper visits the children's section. Also, let S be…An exponential probability distrubution has a lambda equal to 24 customers per hour. What is the probability that the next customer will arrive a. within the next minute? b. within the next 30 seconds ? c. within the next 5 minutes? d. within the next 10 minutes?
