It is known that there are 10 defective computers out of a set of 100. If we randomly select 10 computers from that set, what is the probability that all the selected computers are not defective?

Q: In a shipment of 30 computers, 4 are defective. Four computers are randomly selected and tested.…

A: We can select any 4 computers from 30 computers in 30P4=657720 ways.   We can select 4 defective…

Q: According to a study by Oxford University, 75% of all Brits can do routine computations. If an…

A: p = 0.75 n = 11

Q: What is the probability of drawing a King, a queen and a jack from a standard set of 52 cards

A: As Prof. N.G. Das said, "Event: In probability theory, an event is an outcome or a set of outcomes…

Q: There are 32 applicants for a job in a finance consultancy and auditing firm for 20 vacant posts. Of…

A: Given that  Total applicants = 32  Vacant posts = 20 Women = 10 Men = 22

Q: In a random group of 5 individuals, what is the probability that at least two of them have the same…

A: We have given that the group of 5 individuals.

Q: There are 15 broken light bulbs in a box of 100 light bulbs. A random sample of 10 bulbs is chosen…

A:

Q: 5 green marbles, 7 red marbles, and 1 yellow marble are placed into a bag. If one marble is randomly…

A:

Q: Suppose that a company owns 400 computers. Each computer has an 11% probability of not working.…

A: Obtain the probability that at least 17 computers are in good condition The probability that at…

Q: A manufacturer produces widgets that are packaged in boxes of 100. The probability of a widget being…

A: A manufacturer produces widgets that are packaged in boxes of 100. The probability of a widget being…

Q: if a board is selected at a random, find the probability of picking up one that is defective

A: Given that Number of defective boards = 4 Number of good boards = 10

Q: A student owns 15 pencils, 9 are mechanical pencils and 6 are wooden pencils. They pull a pencil out…

A: Given that Total number of pencil = 15 Mechanical pencil = 9 Wooden pencil = 6 We have to calculate…

Q: 3.A project engineer has 8 master keys to open several new homes. Only 1 master key will open any…

A: Given: Probability of unlocked homes = 40% = 0.40 Probability of locked homes = 1-0.40 = 0.60

Q: what is the probability that the first card is a spade?

A: Total number of cards in a dealt = 52 4 cards selected without replacement from a 52 cards. So,…

Q: In a particular lottery, 4 winning numbers are drawn from a set of 36 numbers. What is the…

A: Solution:

Q: Suppose that all license plates in a state have three letters and then four digits. If a plate is…

A: There are 10 digits [0-9]  and 26 letters [A-Z]   We can pick each letter in 26 ways and each digit…

Q: shipment of 11 computers contains 2 with defects. Find the probability that a sample of size 2,…

A:

Q: calculator is programmed to generate random whole numbers between 1 and 15 inclusive. If one number…

A: Solution

Q: A woman has 10 pairs of shoes in disarray and on an untimely trip she chooses 12 shoes at random.…

A:

Q: Several balls are placed in a bag and one is selected at random. If there are 7 red balls numbered…

A: Conditional probability is the probability of one event occurring with some relationship to one or…

Q: cards are chosen at random from a deck without replacement, what is the probability that at least…

A: We know that  There are 52 card in the deck in which they divided into two color i.e red(26) and…

Q: A box containing 6 defective and 5 non-defective items. If 9 items are selected at a random without…

A:

Q: out of 5 computer chips, 2 are defective, if we choose 3 from five compter chips, what is the…

A:

Q: A number between 1 and 100 (including 1 and 100) is drawn at random. What is the probability that…

A: From the provided information, A number between 1 and 100 (including 1 and 100) is chosen randomly.…

Q: Suppose that 45% of all babies born in particular hospitals are girls. If 7 babies born in the…

A: Givenn=7p=0.45x=no.of baby girls

Q: If a single die is rolled seven times, what is the probability it lands on 3 on the second, third,…

A: A single die is rolled seven times.Probability that a die rolled will land on three = 1/6Probability…

Q: If 12 out of 1502 people have a certain genetic defect, what is the probability of selecting three…

A:

Q: If two letters are taken at random from the word HOME, what is the probability that none of the…

A:

Q: This bag contains exactly 4 marbles, of which 3 are black and 1 is white. A marble is picked and not…

A:

Q: A group of 30 people is selected at random. What is the probability that at least 2 of them will…

A: Given : A group of 30 people is selected at random.   Question : What is the probability that at…

Q: What is the probability that it was the two-headed coin?

A: Let us define some events A : selected coin is two headed. B : selected coin is fair coin. C :…

Q: The weights of ice cream cartons are normally distributed with a mean weight of 11 ounces and a…

A: Given : μ=11 ounceσ=0.6 ounceX~N(μ=11,σ2=0.62)Let, for sample of size n,x¯~Nμx¯=μ,σx¯2=σn2

Q: A group of 20 people is selected at random. What is the probability that at least two of them have…

A: The probability that 1st person having the birthday is 365/365.The probability that 2nd person…

Q: we draw 10 cards from a standard 52 card deck, what is the probability that all 10 cards are hearts?

A: we want to find the probability that all 10 cards are hearts

Q: Five people (Alex, Byron, Chloe, Dexter, and Emily) form a club, N = {A, B, C, D, E). Chloe and…

A: Five people (Alex, Byron, Chloe, Dexter and Emily) form a club N = { A,B,C,D,E }

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.