On a test to obtain a securities license there are 10 questions with possible answers A, B, C, D, & E with probability of getting the correct answer is 70%. A student is taking this test , what is the probability of getting at least 4 correct by guessing on the 10? A) 0.0106 B) 0.9527 0.9894 D) 0.2510

Q: At local industry , the safety department contains eight safety jacketsnumbered 1 to 8, six moonwalk…

A: There are total 24 items :eight safety jacket numbered 1 to 8six moonwalk shoes numbered 1 to 6ten…

Q: The probability of drawing three non-face cards in a row from a standard deck of cards when the…

A: In a deck of cards, there are 52 cards. There are 12 face cards among those 52 cards.  So (52-12)=40…

Q: particular industry has 720 employees. When the employees were asked what position they occupy, 27…

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Q: b. What is the probability that Backen and Hayes LLC will obtain 40 or more new clients (to 2…

A: Note: Thank you for the question. Since multiple subparts are posted, according to our policy, we…

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Q: 8. A man wants to marry a girl having qualities: white complexion-the probability of getting such a…

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Q: Assume that in a large city, 60% of all employees are working at home. d. If 13 employees are picked…

A: From the provided information, 60% of all employees are working at home that is p = 0.60

Q: Assume that 40 percent are of type A, 30 percent of type B, and 30 percent of type C. It is known…

A: Let G= Event that the seed is germinated P(A)=0.40 , P(B)= 0.30 , P(C)=0.30 P(G|A)=0.20 ,…

Q: (a) Consider three classes, each consisting of 20 students. From this group of 60 students, a group…

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

Q: A jury of 12 members is to be selected from a panel consisting of 8 men and 8 women. a. How many…

A: Given: Number of men=8 Number of women=8 Total number of Men and Women is, Total member=8+8=16 It is…

Q: From a city population, the probability of selecting (i) a male or a smoker is 9/10, (ii) a male…

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Q: The probability that an automobile being filled with gasoline also needs an oil change is 0.35; the…

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Q: A weighted coin with Pr[H]=0.3Pr[H]=0.3 is flipped 3 times. What is the probability the first and…

A: Given, P(H)=0.3 P(T)=1-P(H)        =1-0.3     =0.7 Number of flips=n=3

Q: 47. A uriversity has to select an examiner from the list of 50 persons, 20 of them women arRi 30…

A:

Q: According to the American Bankers Association, only one in 10 people are dissatisfied with their…

A: Given: Only one in 10 people are dissatisfied,  Probability of success = 110…

Q: Suppose Dan wins 40% of all his chess games. If Dan is to play 4 games, what is the probability Dan…

A: We have given that  p=40%=0.40 , q=1-p=1-0.40=0.60 n=4  X~Binomial(n=4,p=0.40)

Q: Will be (a) What is the probability that none of the balloons in a packet will be defective? (b)…

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Q: Suppose that 10% of the people in the world have at least 1% Neanderthal DNA. a. What is the…

A: In the given problem, 10% of the people in the world have at least 1% Neanderthal DNA.

Q: Suppose that a person has a 90% chance of passing a lie detector test even when lying. If three…

A: X be the number of people detected as a lie  Let p be the probability of getting detected as lie…

Q: 2) In a single throw of two fair dice, find the probability that the product of the numbers on the…

A: Probability of an event = Number of outcomes favorable to that eventnE Number of all possible…

Q: Assume that 12 jurors are randomly selected from a population (Hidalgo County, Texas) where 80% of…

A: Given that, n=12 and p=80% of people are Mexican-American descents=0.80 Hence, X ~Bn=12, p=0.80 a)…

Q: According to ctia, 41% of all US households are wireless-only households. In a random of 20…

A: Given, random of 20 households i.e., n=20 p=41%=0.41 q=1-p=1-0.41=0.59

Q: If the percentage of Article (A) produced by a particular factory is 0.3 and Article (B) its…

A: Let the drawing of Article B be the success. Then, the given information isn=6, x=4 and p=0.7…

Q: 1.If 55% of the adult population is female, and a Jury consists of 12 adults, calculate the…

A: Given that n=12 , p=55%=0.55, q=0.45 X~Binomial(n=12,p=0.55)

Q: compute the probability of event E if the ads in favor of E are 5 to 29

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Q: After rolling a fair, six-sided die 100 times, it was observed that the probability of rolling a 2…

A: We know, that on rolling a fair dice, the probability of obtaining 2 on a dice roll is 0.167

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A: We have  to find mean  nq and sigma.....

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Q: The undergraduate admission rate at a certain university for a certain year was 8% a. Assuming the…

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Q: Assume that Jim, Bruce, and Valerie are three of the 35 members of the​ class, and that three of the…

A: We have to find out given probability . ..

Q: A carnival game has four boxes (Figure 4.15), into which the contestant tosses four balls. Each box…

A: probability of a ball landing in any box = 0.25 all possible outcomes are - all 4 balls in 1 box, 3…

Q: A player would win a game if they draw exactly 2 Aces or exactly 2 Kings in a hand of 5 cards from a…

A: To give the required probabilitynCr = n!r!(n-r)!

Q: A roulette wheel has 38 slots in which the ball can land. Two of the slots are green, 18 are red,…

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Q: out of 180 law students surveyed, 90 took Contract Law, 50 took Administrative Law, and 20 took…

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Q: The undergraduate admission rate at a certain university for a certain year was 7​%.   a. Assuming…

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Q: R. H. Bruskin Associates Market Research found that 40% of Americans do not think that having a…

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Q: n a genetics experiment on​ peas, one sample of offspring contained 433 green peas and 121 yellow…

A: Solution: Given information: Green peas = 433 Yellow peas = 121 Total peas = Green peas + Yellow…

Q: From experience, the human resources director of a certain company estimates that, for a particular…

A: Let us assume that Q=qualified A=pass the selection process Given that P(Q)=80%=0.80 P(A|Q)=85%=0.85…

Q: Find the probability of obtaining the given 5-card poker hand. three of a kind

A: If we order the 5-card hand with three-of-a kind, we have 13C1 choices for the number of the first…

Q: In a material examination, 4 out of each (10+N) student were found to be successful. Of the 5…

A: Let X be the number of successful students.  Probability of success = 4/(10+N). Then, X ~ Binomial…

Q: Of the inhabitants of a certain native village in Africa, 80% are known to have a particular eye…

A: The probability that a person to have a particular eye disorder is p=0.8 The number of people n=12…

Q: The employees of a company were surveyed on questions regarding their educational background…

A: It is an important part of statistics. It is widely used.