and 3 are users of other drugs?(b) What is the probability that of 10 workers testing positive, all are marijuana users?(c) What is the probability that of 10 workers testing positive, none is a cocaine user?

Q: 1. In our class we have 10 MIS students, 5 CS students, and 4 Business students. I selected 4 people…

A: It is given that  MIS students = 10 CS students = 5 Business students = 4 Total students = 19

Q: 19. Suppose mass-produced needles are packed in boxes of 1000. It is believed that 1 needle in 2000…

A:

Q: a) It is known from past records that 10% of passengers arriving at Islamabad International Airport…

A: Hey, since there are multiple questions posted, we will answer the first question. If you want any…

Q: The risk of hepatoma among alcoholics without cirrhosis of the liver is 24%. Suppose we observe 7…

A: From the given information p = 0.24 and n = 7.

Q: A rare form of malignant tumor occurs in 11 children in a​ million, so its probability is 0.000011.…

A: d. From the given information, the probability is 0.000011 and the number of children is 19,809.…

Q: 1. At UOHB, 5% of all students play football and basketball, 32% of all students play football. What…

A: P(A|B)= P(A∩B)/P(B) Where  P(A|B)=probability of event A occurring given that event B has already…

Q: 3.1 % of people eat pineapple on pizza. What is the probability that the 6th person that orders a…

A: Probability that the people will ask pineapple on their pizza = 3.1% = 0.031 Probability that the…

Q: A car manufacturer is concerned about the possible recall of their best-selling pick-up trucks. If…

A:

Q: 4. How does this compare to the 10% probability we were given at the beginning? If there is a…

A: Since we have used the random digit assignment for this simulation activity According to the…

Q: 1) What is the probability of picking 8 blue balls and 17 red balls from boxes with even numbered…

A: There are 50 boxes labeled with number from 1to 50.in Each boxes containing one blue ball and one…

Q: 2. Approximately 6% of the male population is color-blind. If a random sample of 250 male adults is…

A: Given that  n= 250 , p=6%=0.6 , q=1-p=1-0.06=0.94

Q: 2. An Italian web site claims that 80% of all downloads consist of books by foreign authors.…

A:

Q: A telemarketing company has a special letter-opening machine that opens and removes the contents of…

A: A discrete random variable x having the binomial distribution with the parameters n & p. And the…

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A: Given that  Total bulbs=8 Good bulbs=5 Defective bulbs=3 3 bulbs are chosen at random

Q: 1. If two fair dice are rolled, what is the probability that the sum will be greater than or equal…

A: We first make a table for the outcomes when two dice are rolled. sum Outcomes Number of…

Q: Mr. Keller filled out a bracket for the NCAA National Tournament. Based on his knowledge of college…

A: It is given that n=32 and p=0.45.

Q: A fair 6-sided die is tossed and a four coloured spinner (blue, green, yellow, red) is spun. What is…

A: Given that A fair 6-sided die is tossed and a four coloured spinner (blue, green, yellow, red) is…

Q: Mr. Keller filled out a bracket for the NCAA National Tournament. Based on his knowledge of college…

A:

Q: 1. What is the experimental probability that the next vehicle in the lot is a red car? 2. What is…

A: According to the answering guidelines, we can answer only three subparts of a question and the rest…

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A:

Q: A batch of 50 items contains 10 defective items. Suppose 10 items are selected at random and tested.…

A:

Q: 13. An airline knows that 5 percent of the people making reservations on a certain flight will not…

A: 5 percent of the people making reservations; q=0.05 Policy is to sell 52 tickets for a flight Total…

Q: Consider a deck of well-shuffled deck of cards. Select two cards without replacement. What is the…

A: Total number of cards in deck of well-shuffled deck of cards = 52 Number of diamond cards = 13…

Q: What is the probability of obtaining x= 50 or more individuals with the characteristic? That is,…

A: Sample size is n = 200 Population proportion is p = 0.2

Q: A box contains 20 DVDS, 4 of which are defective. If two DVDS are selected at random (without…

A:

Q: 6. What is the probability that you create a sandwich with wheat and turkey? 7. What is the…

A: 6)  The objective is to find the probability that the sandwich is created by wheat and turkey,…

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A: The machine is reliable when person is guilty is 70% The machine is reliable when person is not…

Q: An after-school club sonsists of 10 juniors and 12 seniors. If 2 students are chosen at random to…

A:

Q: A manufacturer obtains​ clock-radios from three different​ subcontractors:10%from​ A, 20%from​ B,…

A: Let us denote X= defective  Given that P(A)= 10%=0.10  P(B)= 20%= 0.20  P(C)= 70%=0.70  P(X|A)= 5%=…

Q: (a) Suppose a mechanic begins to diagnose the problem by checking the spark plugs first and find…

A:

Q: 21 There is a family that has two children. Suppose that girls and boys are equally likely, what is…

A: The probability of an event given A given event B is: PA/B=PA∩BPB Now, we have that event A is that…

Q: n a particular child clinic, 17% of patients are prescribed colic drops. Overall, 7% of the clinic’s…

A: Let C denote the event that the patient is prescribed for colic drop, G denote that the patient…

Q: 3. An oil company conducts a geological survey that indicates an exploratory oil well should have a…

A: Given Information : An oil company conducts a geological survey that indicates an exploratory oil…

Q: 1) If a family has four children, is it more likely they will have two boys and two girls or three…

A: Solution : Given : A family have four children and probability of a child being boy = 0.5 ∴…

Q: 25. Suppose mass-produced needles are packed in boxes of 1000. It is believed that 1 needle in 2000…

A: A Poisson distribution is used to estimate the number of events occur in a given interval of time or…

Q: 2. Wanda receives on average 8 messages from Vision in a 3 hour period. What is the probability that…

A: Given on average 8 messages from vision in a 3 hours periodλ=8 messages from vision in a 3 hours Let…

Q: Mr. Keller filled out a bracket for the NCAA National Tournament. Based on his knowledge of college…

A: The probability Mr. Keller will pick all 32 of the first round games correctly is 0.0000, which is…

Q: 3. There are seven computers available in a computer shop wherein two of them are malfunctioning. If…

A: Obtain the probability of getting at least one of the malfunctioning computers.   The probability of…

Q: 3. A box of candies has many different colors in it. There is a 15% chance of getting a pink candy.…

A: Solution

Q: A jar contains 20 red marbles, of which 10 are large and 10 are small, and 30 blue marbles, of which…

A: Given,no.of large red marbles=10no.of small red marbles=10Total no.of red marbles=20no.of large blue…

Q: Given that a red card has been drawn, what is the probability that it is a diamond? Arethe events E1…

A: In the 52 cards deck, there are 26 red cards and 26 black cards.   A = The red card is drawn B = The…

Q: 1. One prominent physician claims that 65% of persons with lung cancer are smokers. If the claim is…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: 9.1% of 16-17-year-olds drop out of high school. In addition, 5.8% of White 16-17 year-olds drop out…

A:

Q: 4. There are 20 socks in a drawer, 10 blue and 10 black. Two socks are selected at random from the…

A: As per our guidelines, we are allowed to answer first question only. Thanks   Q-4 ) There are 20…

Q: Three friends are tossing separate dices one time. What is the probability of getting three l's?…

A:

Q: 3. The odds in favor of Jack passing Biology is 4:17 and the probability that Mike fails Biology is…

A:

Q: The manager of Toy World has decided to accept a shipment of electronic games if none of a random…

A:

Q: A box contains 20 DVDs, 4 of which are defective. If two DVDs are selected at random (without…

A: Given,no.of defective DVDs=4no.of good DVDs=16Total no.of DVDs=20

Q: 3. A batch of 500 containers for frozen orange juice contains 5 that are defective. Two are…

A: 3. (a) A batch of 500 containers for frozen orange juice contains 5 that are defective. Two are…