A sample of 4 different mobiles is randomly selected from a box containing 47 that are defective and 29 that have no defects. Then the probability that all four of the mobiles selected are defective is *

Q: In a box of 20 light bulbs, 4 are known to be defective. If 3 bulbs are selected at random, find the…

A: Given that : N = 20 Defective bulb = 4 Sample size (n) = 3 Find p ( x ≥1) = ??  By using binomial…

Q: A shipment of 8 computers contains 3 with defects. Find the probability that a sample of size 1 ,…

A: Introduction: Probability of an event is the number of outcomes favorable to the event, divided by…

Q: A study conducted at a certain college shows that 52% of the​ school's graduates move to a different…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: "A lot of 200 nylon connectors contains 100 that are defective. Two are selected, at random, without…

A: The number of defectives in a lot of 200 nylon connectors is 100. Thus, the number of non-defectives…

Q: A shipment of 8 computers contains 3 with defects. Find the probability that a sample of size 4​,…

A: From the provided information, A shipment of 8 computers contains 3 with defects that is probability…

Q: A sample of 76 items manufactured by a machine contains 13 defective items and the rest are…

A: There are 76 items manufactured and out of them13 are defective. Hence, 76-13 = 63 are non…

Q: A sample of 4 different calculators is randomly selected from a group containing 18 that are…

A: Hypergeometric Distribution: A discrete random variable X is said to follow the Hypergeometric…

Q: Suppose that 4% of all TVs made by W&B Company in 2015 are defective. If eight of these TVs are…

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Q: A box contains 5 black balls and 10 red balls from which 3 balls were drawn with repetition, what is…

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Q: The probability that a randomly selected 29-year old male will survive the year is 0.998135…

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Q: Three balls are selected at random from a bag containing 2 red, 4 orange and 3 green balls. What is…

A: Given,no.of red balls=2no.of orange balls=4no.of green balls=3Total no.of balls=9

Q: 7% of all Americans live in poverty. If 37 Americans are randomly selected, find the probability…

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Q: a sample of 4 different calculators is randomly selected from a group containing 10 that are…

A: Obtain the probability that at least one of the calculators is defective.   The probability that at…

Q: Out of a group of 10 patients treated with a new drug, 4 suffered a relapse. If 3 patients are…

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Q: a factory produces fuses, which are packaged in boxes of 12. three fuses are selected at random from…

A: The fuses are packaged in 12 boxes.

Q: Out of 50 students qualifying an exam, 10 were drawn randomly. If 15 out of 50 qualified students…

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Q: Approximately 9% of men have a type of color blindness that prevents them from distinguishing…

A: The percentage of men have color blindness is 9%. The number of member for sample is 3.

Q: The probability that a randomly selected 40-year-old female will live to be 41 years old is 0.988…

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Q: A sample of 4 different calculators is randomly selected from a group containing 10 that are…

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Q: Suppose that it is known that 95% of people vaccinated with a serum is are protected from a…

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Q: Of 120 auto ignition circuits, 18 are defective.  If 2 circuits are randomly selected, find the…

A: Given, Total auto ignition circuits = 120 Defective circuits = 18

Q: Suppose we have a fuse box containing 14 fuses of which 9 are defective (D). If 2 fuses are selected…

A: Permutation is the process which helps to understand the arrangement of data in a orderly way, it is…

Q: A box containing a dozen of capacitors contains 4 that are defective. If 3 capacitors are selected…

A: Given that Number of capacitors = 12 Number of defective capacitors = 4 Sample size = 3 Note : Since…

Q: A lot of 100 bulbs from manufacturing process is known to contain 10 defective and 90 non-defective…

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Q: It is found that 8% of watches produced at a particular factory are defective.  If 22 watches made…

A: Given that the probability of defective is 8%=0.08 and there are 22 watches. Let us consider X as…

Q: A manufacturer knows that 14% of the products it produces are defective. Find the probability that…

A: A manufacturer knows that 14% of the products it producesare defective.Find the probability that…

Q: a sample of 5 different calculators is randomly selected from a group containing 13 that are…

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Q: A family that is known to have two children is selected at random from amongst all families with two…

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Q: Two balls are drawn in succession out of a box containing 2 red and 2 white balls. Find the…

A: Let p be the probability that a ball is red. Then p = 2/4 = 0.5 Let X denotes the number of red…

Q: there are 15 rotten apples and 22 good apples in a box if 5 apples are randomly selected from the…

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Q: a) Three marbles are drawn successively from a box containing 8 blue marbles, 7 red marbles and 3…

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Q: It is known that 4% of the light bulbs manufactured by a factory are defective. Find the probability…

A: Given data, p = 4% = 0.04 1 - p = 1-0.04=0.96 n = 300 The mean of the sampling distribution of…

Q: A strain of peas has 3 green and one yellow for every four peas. If 12 peas are rendomly selected,…

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Q: An urn contains 3 green balls, 2 blue balls, and 4 red balls. In a random sample of 5 balls, find…

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Q: A large population of the fruit fly Drosophila melanogaster is maintained in the lab. In the…

A: We have find given probability...

Q: A sample of 76 items manufactured by a machine contains 13 defective items and the rest are…

A: Total number of items, N = 76 items Total number of defectives , K = 13 defective items Sample Size…

Q: Suppose we have a fuse box containing 16 fuses of which 6 are defective (D). If 2 fuses are selected…

A: If the probability of getting selected for each outcome is equal then such outcomes can be termed as…

Q: 8. If was found that 60% of American victims of health care fraud are senior citizens. If 10 victims…

A: X has binomial distribution. X~B(n,p) n=10  and  p=60%=0.6 probability mass function of X is;…

Q: A supervisor is gathering samples of the newly-made products of the company. If each sample has 4%…

A: Givensample size(n)=20Each sample has 4% chance of missing a partp=4%=0.04Let "x" be the samples…

Q: A researcher receives 100 containers of oxygen. Of those containers, 20 have oxygen that is not…

A: # Given: total no of oxygen container=100  no of ionised oxygen container=80  no of non ionized  =20…

Q: Let be a lot of 20 defective items and 80 non-defective items, of which 2 are chosen without…

A: Given,no.of defective items=20no.of non-defective items=80total no.of items=100

Q: Suppose that 30% of all college freshmen gain weight. A sample of 18 is selected randomly. What is…

A: Given ,n=18p=0.30X=no.of freshmen gain weightX~Binomial(n=18 , p=0.30)P(X=x)=cxn  px (1-p)n-x     ;…

Q: A lot of 300 nylon connectors contains 30 that are defective. Two are selected, at random, without…

A: There are 300 nylon connectors out of which there are 30 defective. Two of the connectors are…

Q: Two balls are drawn in succession out of a box containing 7 red and 7 white balls. Find the…

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Q: A shipment of 20 similar laptop computers to a retail outlet contains 3 that are defective. If a…

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Q: Suppose that 10 golfersenter a tournament and that their respective skill levels areapproximately…

A: There are 10 golfers out of which 6 are female and 4 are male.

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.