A pack of 20 flash drives contains 3 defectives.  If 3 items are drawn without replacement, find the probability that the first is defective and the other two are not? Select one: a. 0.1193 b. 0.1286 c. 0.0162 d. 0.0149

Q: A jar contains jellybeans -5 red, 5 white, 2'black, and 4 orange. Dan picks one jellyběan, eats it,…

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Q: In a group of 40 people, 10 are healthy and every person the of the remaining 30 has either high…

A: Given  Number of total people = 40 Number of health person = 10  Number of people has high BP or…

Q: A salesman finds he can make one sale for every four calls he makes. If he makes five sales calls,…

A: Let, X=the number of sales he makes n=number of trials= 5 p=probability of success= 1/4=0.25 X…

Q: One overnight case contains 3 bottles of aspirin and 4 bottles of thyroid tablets. A second tote bag…

A: Solution-: We have, Bag 1: 3 Aspirin tablets +4 Thyroid tablets =7 tablets Bag 2: 3 Aspirin tablets…

Q: From a lot of 35 fire bombs, 20 are selected at random and fired. If the lot contains 11 defective…

A: i) There are total 35 firebombs. Among them, 11 are defective firebombs. So (35-11)=24 are good…

Q: ) A bag contains 4 green chips, 3 black chips, and 1 bkue chip. If one chip is drawn at random from…

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Q: An advertising company has 12 men and 8 women. Suppose the company needs to select a team of 5…

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Q: The school canteen has 30 sandwiches to be sold. The sandwiches are 9 hotdog, 5 tuna, 8 ham, 5…

A: Probability:               It is the ratio of chance of getting an event given from the proportion…

Q: A small choir has a tenor singer, 3 soprano singers, a baritone singer, and a mezzo-soprano singer.…

A: The term probability is defined as the chance of occurrence of an event. The probability value…

Q: If 4% of the population is color-blind, what is the probability that a group of 30 people, at least…

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Q: John has four bottles: cola, root beer, ginger, orange drinks. He chooses three of these for a…

A: Let, C=cola R=root beet O=orange    Sample set={CR, RC, CO, OC, RO, OR}  n(S)=6

Q: a.) A box of candies contains 10 yema candies, 8 Sampaloc candies, and 6 bucayo candies. Eduardo…

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Q: Consider a population of snakes in which 70% are female. If you randomly sample four snakes, what is…

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Q: Bag A contains 2 red, 7 black, and 6 white balls, and bag B contains 4 red, 6 black, and 8 white…

A: Bag A contains 2 red, 7 black, and 6 white balls, and bag B contains 4 red, 6 black, and 8 white…

Q: You have the following pairs of socks in your suitcase: 2 white, 1 red, 3 blue and 4 black. A.) If…

A: As Prof. N. G. Das said "If there are n mutually exclusive, exhaustive and equally likely outcomes…

Q: 4. Suppose that the Oxnard College softball team has a 50% probability of winning every game they…

A: Given that, Probability of winning every game = 50% = 0.50Sample size , n =3

Q: Bag A contains 2 red, 5 black, and 4 white balls, and bag B contains 4 red, 4 black, and 6 white…

A: There are 2 bags. So the probability of drawing each bag is 12.So, P(A)=P(B)=12Let us denote…

Q: Tom,Dick and Harry have three deck of cards.If each of them pick one card from their own deck at…

A: In each deck of 52 cards, there are 4 aces. So the probability of picking a ace is= 4/52 =1/13

Q: A bag contains 5 red marbles, 6 green marbles, and 3 blue marbles. If Cymra draws a marble, keeps it…

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Q: United States, 40% of the population has brown eyes.  If 14 p

A: Here it is given that- Sample proportion (p) = 40100=0.4 Total number of observations (n) = 14 As n…

Q: In a bowl with 24 pieces of candy in it, 75% of the pieces contain chocolate and the other 25% are…

A: Proceed as shown below...

Q: Seungcheol, Mingyu, Jeonghan and Joshua decided to play after their class. Nam-ra brought playing…

A: GivenTotal no.of cards in a standard deck = 52No.of club cards in deck = 13No.of face cards in a…

Q: A certain carton of eggs has 3 bad eggs and 9 good eggs. An omelette is made of 3 eggs randomly…

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Q: box contains 5 green and 3 orange balls. If three balls are taken at random with replacements, what…

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Q: Bag A contains 4 red, 6 black, and 6 white balls, and bag B contains 4 red, 4 black, and 6 white…

A: There are two bags A and B . A bag is selected and a ball is drawn . We have to find the probability…

Q: A cooler has 12 bottles of water, 8 bottles of juice, and 5 bottles of soda. If Randy selects a…

A: The number of water bottles, W=12The number of juice bottles, J=8The number of soda bottles,…

Q: Of all the lightbulbs manufactured at a certain factory, 95% of the lightbulbs work and 5% are…

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Q: A mathematics department has 10 theoretical mathematics professors and 3 applied mathematics…

A: We have given that  A mathematics department has 10 theoretical mathematics professors and 3 applied…

Q: Marty has a jumble of socks in his drawer. If he picks a pair of socks randomly from his drawer,…

A: From the provided information, Total pair of socks = 10 Total grey pair = 4

Q: A committee of 5 people is to be formed from 12 males and 15 females. Determine the probability that…

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Q: An aquarium at a pet store contains guppies (25 females and 8 males) and 36 tetras (14 females and…

A: Given data is shown in the table   female male total guppies 25 8 33 tetras…

Q: The grade 10 board of officers of a school consists of seven girls and 4 boys.a committee of five…

A: We can select 2 girls from 7 girls in 7C2=21 ways We can select (5-2)=3 boys from 4 boys in 4C3=4…

Q: (c) If they have 5 children, what is the probability that exactly 2 will have blue eyes? 0.0028 (d)…

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Q: In a high school graduating class of 100 students, 54 studied mathematics, 69 studied his- tory, and…

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Q: A club of 40 students, 24 of them owns digital cameras and 10 of them own computers. The pro that a…

A: Given information: It was stated that a club contains 40 students. 24 among them students own…

Q: A pet store has 14 puppies, including 5 poodles, 4 terriers, and 5 retrievers. If Rebecka and Aaron,…

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Q: A committee of three people must be chosen from 11 sophomores and 7 juniors. What is the probability…

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Q: An Elementary school club has 6 boys and 8 girls. If a committee of 5 officers is selected, find the…

A: Total number of committees possible=C145=2002 PExactly 3 girls=No of committees containg exactly 3…

Q: In a city, if the probability that 40/100 of the citizens have brown hair and that the probability…

A: Let A be the event that a citizen have brown hair and B be the event that a citizen have brown eyes…

Q: 5B. John packs four t shirts for a trip to the beach. If he owns nine t shirts, four of which are…

A: 9. John owns nine t shirts out of which he packs four t shirts this can be done is 94 ways also…

Q: At a local high school, the 40% of the students drink soda regularly, 30% drink coffee regularly,…

A: 28.  Let S - drink soda regularly S - coffee soda regularly Given:  P(S) = 0.40,  P(C) = 0.30  and…

Q: A bag contains 5 red marbles, 6 green marbles, and 3 blue marbles. If Cymra draws a marble, keeps it…

A: There are total (5+6+3)= 14 marbles in the bag. Among the 14 marbles, 5 are red  So the probability…

Q: members be selected as president, vice-president, and secretary from a group of 15? Hint: order

A: Formula : Combination formula : Permutation formula :

Q: Tobias has 12 coins in his pocket. Of these coins, 8 were made in the year 2000, and 4 were made in…

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Q: Twenty-five

A: We will find the probability.

Q: The probability that a motorist will use a credit card for gas purchases at a large service station…

A: Given data: Probability = 7/8  =  0.875 Sample size = 8 To find: (b) four of them will use a credit…

Q: A bag of marbles contains 7 yellow marbles, 4 white marbles, 2 blue marbles, and 9 red marbles. A…

A: Solution: From the given information, a bag contains 7 yellow marbles, 4 white marbles, 2 blue…

Q: A group of 5 football fans contains 3 Chiefs fans and 2 Niners fans. Three fans are chosen at random…

A: From the given information, there are 5 football fans. In 5 football fans, 3 were chiefs fans and 2…

Q: Marty has a jumble of socks in his drawer. If he picks a pair of socks randomly from his drawer,…

A: Given that,Marty has a jumble of socks in his drawer.Total number of pair of socks =10