Q: If 5% of the people are carriers of a certain disease and 10% of them are young, what is the probability that the young person will be a carrier? For disease if we know that young people make up 20% of the population?

Q: Three statistics professors and seven chemistry professors are available to be advisors to a student…

A: Given, Three statistics professors and seven chemistry professors are available to be advisors to a…

Q: An experiment has four equally likely outcomes: E1, E2, E3, and E4.a. What is the probability that…

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Q: In a shoot out in a hockey competition, a player scores on 80% of his shots. a) What is the…

A: A random variable X~Geometric distribution(p=0.8)q=1-0.8=0.2

Q: a) If a financial firm sells these bonds for ​$61,000 what is the chance that the firm loses money…

A: As per our guidelines, we are allowed to answer three sub-parts only Given : Benefit payable on…

Q: after purchasing the ticket. Can he expect to be seated for the start of the picture ? 5. In…

A: The arrival rate and service rate is same then the value of p=λμ=1 The probability that the system…

Q: While watching a game of Champions League football in a cafe, you observe someone who is clearly…

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Q: According to school records, your school’s softball team wins 62% of the time when they play a game…

A: The probability of wining is calculated by the following formula:

Q: D.07. If a pipe is selected from a day's total production and found to be defective, find out (a)…

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Q: Motorists arrive at a Gulf gas station at the rate of two per minute during morning hours. a) What…

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Q: 34 - The average number of matches where the football matches of Galatasaray football team were…

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Q: 6. A secretary makes 2 errors per page, on average. What is the probability that on the next page he…

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Q: a. What is the probability that a painting was delivered by Company A and was not damaged? 2.375 b.…

A: Here as per policy i have calculated first 3 subparts  here use tree diagram from given information…

Q: What is the probability that John's cookie contains 3 raisins?

A: Alice bakes chocolate raisin cookies in batches of 150. She puts 450 raisins into the dough. When…

Q: nas a 40% chance to make the deal at the second appointment, from which, if successful, he can make…

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Q: n the election a state representative received 52% of the votes cast. One year after the election,…

A: Given that  n=300 , p=52%=0.52 , q=1-p=1-0.52=0.48 Find  P(X>half of the…

Q: Ecording tó thẻ Nèw York Times, eleven percent of parents helped their college ildren write an…

A: Given data,p=11%=0.11n=7P(X≤2)=?

Q: 4. A person is known to hit the target in 3 out of 4 shots, whereas another person is known to hit…

A: First person hits the target 3 out of 4 shots Probability of first person hitting the shot ,…

Q: One​ year, airline A had 5.43 mishandled bags per​ 1,000 passengers. Complete parts a. through c.…

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Q: In a certain year, 23.2% of all light vehicles were light trucks, 7.0% were SUVs, and 69.8% were…

A: Let A be the event that the deadly proved accident occurred to the driver Given that P(A | Light…

Q: During a Formula 1 test. 25% of the cars that participated in the test experienced a tire blowout.…

A: Correct answer is  (C) 0.1484

Q: B. 76% of people believe in love at first sight. Suppose we take a random sample of 30 people. What…

A: As per our guidelines we are supposed to answer only 3 sub-parts of any question so I am solving…

Q: A car salesperson tracks the number of cars she sells over a year (12 months). What is the…

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Q: 20. Raquel buys a bag of cookies that contains 6 chocolate chip cookies, 6 peanut butter cookies, 6…

A: Given : Raquel buys a bag of cookies that contains 6 chocolate chip cookies, 6 peanut butter…

Q: Q14: A radar unit catches (photographs) over-speeding cars. It is estimated that 25% of the cars…

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Q: The Trace household has triplets who have just turned 16, and all of them want to drive the family…

A: For geometric distribution, there are four requirements need to be fulfilled. These requirements are…

Q: Q1 / In previous years, the pass rate in the probability course was 40%, so if 180 students…

A: Given  pass rate in the probability course = 0.40 180 students participated in the exam

Q: A brown-eyed father and a green-eyed mother have a 25% chance of having a green-eyed child. What is…

A: Solution-: Given: n=4,p=0.25 We want to find P(In a family of 4 children, 3 of them have green…

Q: d) What's the probability that the individual didn't like vehicle #2 but s/he liked vehicle #3 e) (…

A: Given that P(A3) =0.55, p(A2 ∩A3) =0.30, P(A2) =0.40

Q: 2. The flight time for an airplane traveling from Muscat to Dubai is uniformly distributed between…

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Q: sign on the pumps at a gas station encourages customers to have their oil checked, and claims that…

A: Given Use the binomial distribution formula p=1/5 q=4/5 P[X]=nCx * p^x * q^(n-x)

Q: 6 - The average number of matches where the football matches of Galatasaray football team were…

A: Poisson distribution : A discrete random variable x is said be Poisson distribution and the…

Q: What is the probability that there will be more than two left- handed students in the next class of…

A: Left-handed people make up about 10% of the population So p = p(success) = 0.10 , q =1-p =0.9 Here…

Q: Q1. 52% percent of the students at a certain college are females. 5% of the students in this college…

A: Given that 52 % of students are females. Suppose F be the event for female students. P(F) = 52100 =…

Q: (Q5)/(A) If you know that 75% of the students in a college are males, and a random sample of 30…

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Q: d. What are E(X) and V(X)? e. In a sample of 50 children, what is the probability that none has a…

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Q: 3. (Rosner book – Page 110, Q: Infectious Disease) A study considered risk factors of HIV infection…

A: Given : Light users=40% Heavy users =55%   Note :As per guidelines only first 3 subparts have been…

Q: Fungicides are used to protect seeds in wet environments. To test the effectiveness of a fungicide,…

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Q: -plications in Our World On one large campus, 18% of students surveyed said that they spend less…

A: Obtain the probability that all three spend less than an hour a night studying.   The probability…

Q: Risk Management: 80% of people who purchase pet insurance are women. If 9 pet insurance owners are…

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Q: Q6- There are 18 students (10 boys and 8 girls) in the sixth- grade class at St. Andrew School. Four…

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Q: Example 4: A manufacturer knows that the condensers he makes contain on average 1% defectives. He…

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Q: Halr Calar Bays Girls Black 4 Blonde 4 Brown 10 Red - 1 The table shows the number of boys and qirls…

A: Given data of boys and girl who have hair colour. There are 4 black hair boys, 4 blonde hair boys,…

Q: snow depth is never more than 100 cm on January 15? (b) in four or more of the years, there is more…

A: HERE GIVEN, Historical climate records indicate that the probability of there being more than 100 cm…

Q: Dengue fever viruses are carried by mosquitoes. There are several different serotypes of the dengue…

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Q: clinology company, it is known that the average of network failure is I per week. What is the…

A: Given : mean , μ= λ = 1

Q: Transportation officials tell us that 90% of drivers wear seat belts while driving. What is the…

A: Let p be the probability that driver wear seat belt. n=600, p=0.90,  P(525<X<530)= ?

Q: The management of the large department store in Example B.1 must determine whether more training is…

A: Given: The clerk at the customer service desk can serve an average of three customers per hour. So,…

Q: Teen 16% 0.15 Young adult Midlife 8% 0.08 45% 0.04 Senior 31% 0.05 Given that a driver has been…

A: Given that a driver has been involved in at least one collision in the past year, the probability…