Of all the registered automobiles in a city, 12% fail the emissions test. Fourteen automobiles are...
Of all the registered automobiles in a city, 12% fail the emissions test. Fourteen automobiles are selected at random to undergo an emissions test. Round the answers to four decimal places.
(a) Find the probability that exactly three of them fail the test.
(b) Find the probability that fewer than three of them fail the test.
(c) Find the probability that more than two of them fail the test.
(d) Would it be unusual for none of them to fail the test?
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Of all the registered automobiles in a city, 12% fail the
emissions test. Fourteen automobiles are...
Car inspection: Of all the registered automobiles in a city, 8% fail the emissions test. Fourteen...
Car inspection: Of all the registered automobiles in a city, 8% fail the emissions test. Fourteen automobiles are selected at random to undergo an emissions test. Round the answers to four decimal places. Part 1 of 4 (a) Find the probability that exactly three of them fail the test. The probability that exactly three of them fail the test is Part 2 of 4 (b) Find the probability that fewer than three of them fail the test. The probability that...
Of all the registered automobiles in a city, 9% fail the emissions test. Twelve automobiles are selected...
Of all the registered automobiles in a city, 9% fail the emissions test. Twelve automobiles are selected at random to undergo an emissions test. Round the answers to four decimal places. (a) Find the probability that exactly three of them fail the test. (b) Find the probability that fewer than three of them fail the test. (c) Find the probability that more than two of them fail the test. (d) Would it be unusual for none of them to fail the...
Car inspection: Of all the registered automobiles in a city, 5% fail the emissions test. Eight...
Car inspection: Of all the registered automobiles in a city, 5% fail the emissions test. Eight automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places. ol. Part 1 of 4 (a) Find the probability that exactly three of them fail the test. The probability that exactly three of them fail the test is Part 2 of 4 (b) Find the probability that fewer than three of them fail the test....
Car Inspection: Of all the registered automobiles in a city, 9% fall the emissions test. Nine...
Car Inspection: Of all the registered automobiles in a city, 9% fall the emissions test. Nine automobiles are selected at random to undergo an emissions test. Round the answers to four decimal places. Part 1 of 4 (a) Find the probability that exactly four of them fall the test. The probability that exactly four of them fall the test is Part 2 of 4 (b) Find the probability that fewer than four of them fail the test. The probability that...
4. Of all the registered automobiles in a certain state, 10% violate the state emissions standard....
4. Of all the registered automobiles in a certain state, 10% violate the state emissions standard. Twelve automobiles are selected at random to undergo an emissions test. Answer the following questions by defining the associated random variables. i) Find the probability that exactly three of them violate the standards. ii) Find the probably that fewer than three of them violate the standards. iii) Find the probably that none of them violate the standards. iv) How many of them do you...
5. Thirty percent of all automobiles undergoing an emissions inspection at a certain inspection station fail...
5. Thirty percent of all automobiles undergoing an emissions inspection at a certain inspection station fail the inspection. In a random sample of 15 selected cars: (round 3 decimal places) a) Find the probability that at most five of the cars fail the inspection. b) Find the probability that at least three of the cars fail the inspection. c) Find the probability that all 15 of the cars fail the inspection. 6. Twenty-five percent of the customers of a grocery...
Of all registered cars in Arizona, 21% violate the state emissions standard. Eleven cars are selected...
Of all registered cars in Arizona, 21% violate the state emissions standard. Eleven cars are selected at random to take an emissions test. What is the probability exactly 5 of them violate the standard? Report your answer to 4 decimal places.
In a certain city, 47% of the registered voters are Democrats. If eight voters are sleeted...
In a certain city, 47% of the registered voters are Democrats. If eight voters are sleeted at random, determine the probability that a) exactly four of them are democrats b) fewer than four of them are democrats c) at least three of them are democrats d) at least three of them are not democrats
2. In a southern state, it was revealed that 5% of all automobiles in the state...
2. In a southern state, it was revealed that 5% of all automobiles in the state did not pass inspection. Of the next ten automobiles entering the inspection station, a what is the probability that none will pass inspection? b. what is the probability that all will pass inspection? c. what is the probability that exactly two will not pass inspection? d. what is the probability that more than three will not pass inspection? e. what is the probability that...
7. a. b. c. Assume that random guesses are made for nine multiple choice questions on...
7.
a.
b.
c.
Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there are n = 9 trials, each with probability of success (correct) given by p = 0.2. Find the indicated probability for the number of correct answers. Find the probability that the number x of correct answers is fewer than 4. P(X<4)= (Round to four decimal places as needed.) Assume that random guesses are made for 2 multiple-choice questions...
Car inspection: Of all the registered automobiles in a city, 8% fail the emissions test. Fourteen automobiles are selected at random to undergo an emissions test. Round the answers to four decimal places. Part 1 of 4 (a) Find the probability that exactly three of them fail the test. The probability that exactly three of them fail the test is Part 2 of 4 (b) Find the probability that fewer than three of them fail the test. The probability that...
Car inspection: Of all the registered automobiles in a city, 5% fail the emissions test. Eight automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places. ol. Part 1 of 4 (a) Find the probability that exactly three of them fail the test. The probability that exactly three of them fail the test is Part 2 of 4 (b) Find the probability that fewer than three of them fail the test....
Car Inspection: Of all the registered automobiles in a city, 9% fall the emissions test. Nine automobiles are selected at random to undergo an emissions test. Round the answers to four decimal places. Part 1 of 4 (a) Find the probability that exactly four of them fall the test. The probability that exactly four of them fall the test is Part 2 of 4 (b) Find the probability that fewer than four of them fail the test. The probability that...
4. Of all the registered automobiles in a certain state, 10% violate the state emissions standard. Twelve automobiles are selected at random to undergo an emissions test. Answer the following questions by defining the associated random variables. i) Find the probability that exactly three of them violate the standards. ii) Find the probably that fewer than three of them violate the standards. iii) Find the probably that none of them violate the standards. iv) How many of them do you...
5. Thirty percent of all automobiles undergoing an emissions inspection at a certain inspection station fail the inspection. In a random sample of 15 selected cars: (round 3 decimal places) a) Find the probability that at most five of the cars fail the inspection. b) Find the probability that at least three of the cars fail the inspection. c) Find the probability that all 15 of the cars fail the inspection. 6. Twenty-five percent of the customers of a grocery...
2. In a southern state, it was revealed that 5% of all automobiles in the state did not pass inspection. Of the next ten automobiles entering the inspection station, a what is the probability that none will pass inspection? b. what is the probability that all will pass inspection? c. what is the probability that exactly two will not pass inspection? d. what is the probability that more than three will not pass inspection? e. what is the probability that...
7.
a.
b.
c.
Assume that random guesses are made for nine multiple choice questions on an SAT test, so that there are n = 9 trials, each with probability of success (correct) given by p = 0.2. Find the indicated probability for the number of correct answers. Find the probability that the number x of correct answers is fewer than 4. P(X<4)= (Round to four decimal places as needed.) Assume that random guesses are made for 2 multiple-choice questions...
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