In probability theory, being able to calculate P(A/B) when P(B/A) is known is related to which of the following: Select one: a. Independent Probabilities O b. Classical Probability Theory O c. Bayes Theorem d. Posterior Probabilities
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- Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 149 subjects with positive test results, there are 24 false positive results; among 157 negative results, there are 22 false negative results. If one of the test subjects is randomly selected, find the probability that the subject tested negative or did not use marijuana.Daily sales records for a car dealership show that it will sell 0, 1, 2, or 3 cars, with probabilities 0.3, 0.5, 0.15, 0.05 respectively let X be the number of sales in a 2-day period, assuming that the sales are independent from day to day. The probability that two or more sales are made in the next 2 days isUse the contingency table to determine the following probabilities. a. P(B or C) b. P(B or D) c. P(A or E) d. P(A or B) a. P(B or C) = 0.56 (Round to two decimal places as needed.) b. P(B or D)= 0.70 (Round to two decimal places as needed.) c. P(A or E) = 0.76 (Round to two decimal places as needed.) d. P(A or B) = (Round to two decimal places as needed.) Event C Event D Event E S Event A 7 14 8 Event B 10 2 9
- Calculate the following probabilities. Express probabilities as unsimplified fractions and percents. c) Probability of a 2 and a Heart? Fraction = ______________ Percent = ___________ d) Probability of a Red card or a King? Fraction = _______________ Percent = ___________Refer to the contingency table shown below: SMOKING BY RACE FOR MALES AGED 18 TO 24 White (W) Smoker-255 Non-S 571 Black (B) Smoker-12 Non-S 162 A. Calculate the probability is given below. (Round your answers to four decimal places.) I. P(S) ____ II. P(W) ____ III. P (S|W) ____ IV. P(S|B) ____ V. P (S and W) ____ VI. P (N and B) ____The contingency table below summarizes a survey of 1,000 bottled beverage consumers. Lives in a state with a deposit law Lives in a state with no deposit law Row Total Recycles beverage bottles 133 189 322 Does not recycle beverage bottles 67 611 678 Column Total 200 800 1,000 Find the following probabilities or percentages: (a) Probability that a consumer recycles beverage bottles. (Round your answer to 2 decimal places.) P(Recycles) (b) Probability that a consumer who lives in a state with a deposit law does not recycle. (Round your answer to 2 decimal places.) P(Don’t Recycle | Lives in Deposit Law State) (c) Percentage of consumers who recycle and live in a state with a deposit law. (Round your answer to 1 decimal place.) Percentage of consumers % (d) Percentage of consumers in states with a deposit law who recycle. (Round your answer to the nearest whole percent.) Percentage…
- Complete the following table and use it calculate the probabilities given below. DACITY A < AC a. P (A or B) = b. P (A or B) = Total B 0.434 0.556 BC 0.247 SUBMIT QUESTION Total I SAVE PROGRESS SUUse the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 141 subjects with positive test results, there are 28 false positive results; among 155 negative results, there are 5 false negative results. If one of the test subjects is randomly selected, find the probability that the subject tested negative or did not use marijuanaA market in Boston orders oranges from Florida. The oranges are shipped to Boston from Florida by either railroad, truck, or airplane; an order can take 1, 2, 3, or 4 days to arrive in Boston once it is placed. The following probabilities have been assigned to the number of days it takes to receive an order once it is placed (referred to as lead time): Lead Time Probability 1 .20 2 .50 3 .20 4 .10 1.00 Compute the expected number of days it takes to receive an order and the standard deviation.