In a large consignment of electric bulb 10% are defective.A random sample of 20 is taken for inspection. Find the probability that a)all are good bulbs b) there are almost 3 defective bulbs c)there are exactly 3 defective bulbs

Q: According to the nes dataset, roughly 20% of respondents indicated that they had posted a social…

A: The formula to compute odds when probability is given by, Odds=p1-p Where p represents the…

Q: A group of five persons is formed from five boys and four girls. Find the probability that there are…

A:

Q: Given that a family has three children, what is the following probability?   P(0 Boys) =…

A: It is given that a family has three children.

Q: An office has 7 men and 6 women employees.  Three employees are picked at random for a trip to…

A: 7 men 6 women  ____________ 13 total employees select 3 at random  P(2 males and 1 female) = ?

Q: e following table shows the mileage and selling prices of eight used cars of the same model. Mileage…

A: Note: “Since you have posted a question with multiple sub-parts, we will solve the first three…

Q: Topic Binomial and Poisson probability distribution Show development for the solution Suppose an…

A:

Q: Find the probability of drawing either a face card (jack, queen, or king) or a club from a standard…

A: Given that  Total cards = 52 Number of face cards = A =  12 Number of club cards = B = 13 Number of…

Q: For exponential smoothing forecasting with an alpha of 0.1, the MSE (mean squared error) is 2.98.…

A: Given Alpha=0.01=MSE=2.98 Alpha=0.05=MSE=1.32

Q: A tram company runs two tram routes from station ?P to station ?Q. The first route is a direct tram,…

A: From the given information, A tram company runs two tram routes from station P to station Q. The…

Q: In a certain sock drawer, there are 5 white and 4 black unmatched socks.  You reach in and pick 2…

A: given data  5 white cocks 4 black socks ___________ 9 total socks    pick 2 socks at random(without…

Q: (a) Find an example in the news of a situation involving probability where you can identify at least…

A: Part(a)https://www.usatoday.com/story/news/nation/2022/11/09/first-blizzard-snow-north-south-dakota-…

Q: 6. What is the probability that a random 6-digit phone number (a sequence of digits between 0 and 9)…

A: According to the classical definition of probability, the probability of an event is the ratio of…

Q: Question 13 A bag contains 20 white balls and 41 red balls. Four balls are drawn, without…

A: There are 20 white balls. n(W)= 20  Total res balls are 41. n(R)=41  Total number of balls are N=…

Q: 7 Write a formula that uses only the marginal totals and can be used to fill in the cells of a table…

A: Contingency table are also known as cross table. It provide the frequency count of several…

Q: You roll an ordinary six-side die once and then you toss a coin. Which of the following pairs of…

A: Given the random experiment that rolling an ordinary six-side die once and then toss a coin.

Q: In a flow system, the arrival rate to a particular station is 40 units per hour. The station has 4…

A: Given:-                 Average rate of arrival λ = 40 / hr.                 Average rate of service…

Q: 16.) In a small preliminary drug trial, 5 people are given version A of the medication, 5 people are…

A: Given data: 5= people are given version A of the medication. 5 = people are given version B, and 5…

Q: 4. A palindrome is a word or phrase that reads the same forwards and backwards (e.g. "A man, a plan,…

A: Given: A palindrome is a word or phrase that reads the same forwards and backwards (e.g. "A man, a…

Q: An electronic system has 2 subsystems A and B. It is known that P (A fails) = 0.2 P (B fails alone)…

A:

Q: Your boss asked you to prepare the venue for a concert. He wanted the audience to sit in a…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Suppose we want to choose 2 objects, without replacement, from the 4 objects pencil, eraser, desk,…

A: (a)   Determine the number of ways of selecting 2 objects from the 4 objects.   The number of ways…

Q: f one person is randomly selected from the population described in the table, find the probability,…

A: Solution: If one person is randomly selected from the population described in the table,

Q: During one stage in the manufacture of integrated circuit chips, a coating must be applied. If 70%…

A: Given,n=15p=0.7q=1-0.7=0.3A random variable X~Binomial(n=15  , p=0.7)P(X=x)=Cx15(0.7)x(0.3)15-x   ;…

Q: The percentage of students passing exam is 20% (assume every student takes the test). You randomly…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: A brother and a sister appear for an interview against two vacant posts in an office. The…

A:

Q: In a simultaneous throw of two dice, what is the probability of getting a total of 7 ?

A: Probability is ratio of possible number of samples over total number of samples.

Q: A bag contains 3 red balls, 5 yellow balls and 7 pink balls. If one ball is drawn at random from the…

A:

Q: You roll an ordinary six-side die once and then you toss a coin. Which of the following pairs of…

A: Given the random experiment that rolling an ordinary six-side die once and then toss a coin.

Q: Most Americans (58% kindergarten through surveyed about whet the binomial distribu standard…

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

Q: a. With the aid of two tables for the two data sets, determine the following: i. Mean ii. iii.…

A: Given information, Data set 1: Class boundaries Frequency Cumulative frequency 50-54 1 1…

Q: Lightbulbs of a certain type are advertised as having an average lifetime of 750 hours. The price of…

A:

Q: A pawn shop in Arlington, Texas, has a drive-through window to better serve customers. The following…

A: Given that, the stores open at 10.00 am and Time between arivals Probability Interval of random…

Q: Topic Hypergeometric Probability Distribution Show development for the solution A store has 20…

A: Solution: Given information: Let X be the number of PC type computers.  N= 20 Computers  (…

Q: Consider the following hypothetical situation. Grade data indicat4es that on the average 27% of the…

A: Given is a hypothetical data on grades of senior engineering classes. We need to model the…

Q: The air control informs the pilot of an aircraft about the altitude of the centre of the air…

A: Given problem Given that   The air control informs the pilot of an aircraft about the altitude of…

Q: A football team scored 176 points during a 3-game series from touchdowns (6pts each), extra points…

A:

Q: 8b)  A researcher aims to assess the associative impact of coffee consumption on death rates from…

A: Regression equation is used to predict the value based on the effect of another. It explain the…

Q: You have relatives coming for dinner this weekend.  The probability that your uncle Josiah will show…

A: given data  event A: uncle josiah show up B : aunt beatrice show up   P(A) = 0.48 P(B) = 0.43 P(A∩B)…

Q: Sheet 3 a. With the aid of two tables for the two data sets, determine the following: Mean Variance…

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

Q: A certain city has one morning newspaper and one evening newspaper. It is estimated that 20% of the…

A: Let M=a house hold subscribes morning paper E= a house hold subscribes evening…

Q: Find the probability of getting 8 heads in a row in 8 tosses of a fair coin.

A: The random variable of heads. Here, X follows binomial with n= 8 and p= 0.5.

Q: A box has three cards numbered 1, 2, and 3. A bag has three balls labeled A, B, and C Boris will…

A: Given that A box has 3 cards numbered, 1, 2,3. A bag has three balls A, B, C. Boris will randomly…

Q: How many permutations are there of the following word? BOOKKEEPING

A:

Q: A new AIDS prevention drug was tried on a group of 224 HIV positive patients. Forty-five patients…

A: Given information: A new AIDS prevention drug was tried on a group of 224 HIV positive patients, 45…

Q: The lengths of pregnancies in a small rural village are normally distributed with a mean of 261 days…

A: Given Mean=261 Standard deviations=16

Q: Suppose ℙ(?1|?2)=0.46P(E1|E2)=0.46, ℙ(?2|?1)=0.92P(E2|E1)=0.92, and ℙ(?1)×ℙ(?2)=P(E1)×P(E2)=0.24.…

A: * SOLUTION :-  From the given information the calculation is given as follows

Q: In a certain class of 40 students, 8 students have a dog, 14 students have a cat, and 1 students…

A: General formula of probability is ,  Probability = Number of favorable outcomes Total outcomes

Q: A box contains a large number of transistors, 30% of them are of type A and 70% are of type B. If a…

A: P(type A defect) = 0.30 p(TYPE b DEFECT) = 0.70 SELECT 4 TRANSISTORS AT RANDOM

Q: The probabilities that a student will receive an A, B, C or D grade are 0.4, 0.3, 0.2 and 0.1…

A:

Q: 3. Working with case-sensitive alphanumeric passwords again (there are 62 possible characters). (a)…

A: