A test is conducted in a high-risk area during a pandemic. Of the 20 people who were tested, 7 are positive cases and 13 are negative cases. If 6 people were drawn, without replacement, what is the probability that exactly 3 are positive cases?  Identify the type of probability distribution shown in the problem Identify the given in the problem and solve for the probability.

Q: the sales manager knows that 15% of his clients do not pay their debts in full. He supposes that he…

A:

Q: At one private college, 34% of students are business majors. Suppose that 260 students are randomly…

A: The probability that the proportion of business students in the sample differs from the population…

Q: The IQ of children in a special education class are normally distributed with µ=95 and Q=10 What is…

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

Q: A die is weighted in such a way that each of 5 and 6 is eight times as likely to come up as each of…

A: Given that P(5) = P(6) = 8 × probability of each of 1, 2, 3, 4

Q: Hospital records show that of patients suffering from a certain disease, 35% die of it. What is the…

A:

Q: In horseracing, an “Exacta” bet is won by correctly predicting the horses that finish first and…

A: Number of horses in the recent horserace = 20 Number of ways to select first and second place = 2!=2

Q: The incidence of occupational disease in an industry is such that the workmen have a 20% chance of…

A:

Q: In American Roulette, a bettor may place a $1 bet on any of the 38 numbers on the roulette wheel.…

A: We have given,Total number on the roulette wheel = 38Probability of getting a number (winning bet) =…

Q: In a mall there is a clothing seller who does a discount. If there are 10 out of 45 people who visit…

A:

Q: According to a recent Catalyst Census, 16% of executive officers were women with companies that have…

A: When random samples from the population are drawn repeatedly and sample proportion of each sample is…

Q: A coin is flipped repeatedly, and the number of tails is considered as the success. Detemine the…

A:

Q: The incidence of tuberculosis in an industry is such that the workers have a 20% chance of suffering…

A:

Q: In a statistics class of 42 students, there were 11 men and 31 women. Six of the men and seven of…

A:

Q: The incidence of disease in a forest is such that 20% of the trees in the forest have the chance of…

A:

Q: Find the indicated probability. Round to the nearest thousandth.In a blood testing procedure, blood…

A: The probability that individual sample test is negative is, Pn=1-0.11=0.89

Q: A bag of 100 candies has the distribution of colors shown in the table above. Yasim will randomly…

A: Total candies = 23+14+16+20+13+14=100 No of brown candy = 14 no of orange candy = 20

Q: a. The of UConn professors is normally distributed. Suppose you know that 33 percent of professors…

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Q: A die is weighted in such a way that each of 5 and 6 is three times as likely to come up as each of…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: The probability that a school-grade student would drink water, fruit juice, and soda is 0.5, 0.3,…

A: We can select 6 students who will drink water from 15 students in 15C6 ways.  The probability for…

Q: When a committee of size 2 is chosen from 5 persons, determine the probability distribution of the…

A: The total number of people is 5. The size of the committee is 2. Let P1,P2,P3,P4,P5 denote the 5…

Q: A die is weighted in such a way that each of 1 and 2 is eight times as likely to come up as each of…

A: Let us assume P(3)=x The probability of getting 3,4,5,6 are same So, P(4)=P(5)=P(6)=x   given that…

Q: In a carnival​ game, the player selects two coins from a bag containing threesilver dollars and six…

A: Given dataThree silver dollars and six slugsTwo coins are selectedProbability of winning both the…

Q: From a standard deck of playing cards you are dealt 3 cards. If X is the number of diamonds that was…

A:

Q: While driving to work, Arceli passes through 3 stop lights. The probability distribution of the…

A:

Q: The probability that a house in an urban area will be burglarized is 3%. If 22 houses are randomly…

A: Answer: Given that: p= 0.03 , n= 22 now will use Binomial probability…

Q: the duration of a professor's class has a uniform distribution between 50.0 minutes and 52.0…

A: It is given that the duration of the professor’s class follows U(50,52).

Q: Suppose that you and a friend are playing cards and decide to make a bet. If you drawthree fives in…

A: From the given information, three fives are selected from deck of 52 cards successively.In a deck of…

Q: It has been reported that 48% of people text and drive. A random sample of 60 drivers is drawn. Find…

A: Given that, n = 60 , p = 0.48 The mean and Standard deviation of the sampling distribution of…

Q: The quality of computer disks is measured by the number of missing pulses. Fora certain brand of…

A: Binomial distribution: Consider a random experiment involving n independent trials, such that the…

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 10. Find the…

A:

Q: The probabilities that a patient will have 0, 1, 2, 3, or 4 medical tests performed upon entering…

A:

Q: A batch of 100 cords has 8 defective cords. If 4 cords, taken at random from the batch, are to be…

A:

Q: the sales manager knows that 35% of his clients do not pay their debts in full. He supposes that he…

A: We have to find out given probability that 40% or more will not be fulfilled in their obligations...

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Solution: From the given information, n = 410 and p = 0.527.

Q: Suppose    52%    of    students    support    the    idea    of    paying    student    government…

A:

Q: in a carnival game, the player selects two coins from a bag containing three silver dollars and nine…

A: Assuming 1 silver dollar= $1 (because the value is not given) Given that there are 3 silver dollars…

Q: Experience has shown that 15% of Tshwane municipal rates bills contain an estimated amount for…

A: Given, 15 % of Tshwane municipal rates bills contain an estimated amount for electricity usage. i.e.…

Q: In a math class with 20 students, a test was given the same day that an assignment was due. There…

A: There are totally 20 students in a math class attended a test was given the same day that an…

Q: In the game of blackjack played with one​ deck, a player is initially dealt 2 different cards from…

A: In the game of blackjack, a player plays with 2 cards initially. A person wins “blackjack” by…

Q: Find the probability distribution for the number of hearts when three cards are drawn in succession…

A: It is given that three cards are drawn in succession from the deck of cards without replacement.

Q: A study of​ 420,095 cell phone users resulted in 135 who developed cancer of the brain or nervous…

A: It is clear that the probability value is greater than 0.512 indicating that the probability shows…

Q: In the past 3 years, you had 150 grant applications submitted, with 102 of the applications meeting…

A: Let X be the random variable that the application meets the minimum requirement to receive the…

Q: At a local university, 40% of students live in dormitories. A random sample of 80 students is…

A: The given information is that the random sample of 80 students is selected for a particular study.…

Q: A die is weighted in such a way that each of 5 and 6 is three times as likely to come up as each of…

A: Given that a die is weighted in such a way that each of 5 and 6 is three times as likely to come up…

Q: The probability of passing the bar exam in a certain state is 2/3. If 10 people passed the test at a…

A: It is given that probability of passing the bar exam in a certain state is 2/3. Therefore, the…

Q: A die is weighted in such a way that each of 5 and 6 is three times as likely to come up as each of…

A: ∑P(x) = 1   ( Using this it can be answered)

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 10. Find the…

A: Given that  The average number of field mice per acre in a 5-acre wheat field is estimated to be 10.…

Q: The Wilson family had 8 children. Assuming that the probability of a child being a girl is 0.5, find…

A: Given, A family had 8 children and probability of child being a girl is 0.5.

Q: Suppose Emerson loses 44% of all air hockey games. (a) What is the probability that Emerson loses…

A: (a) The probability that Emerson loses two air hockey games in a row is 0.1936, which is obtained…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.