In a school of 100 students, 70 students play either football or cricket with 40 students that play football only and 20 that play cricket only. a) What is the probability that a student does not play cricket?

Q: 40% of the managers in an international company have traveled abroad, 50% of them can speak foreign…

A: Let event T:Manager travelled abroad event F:Manager can speak foreign language. PT=0.4 therefore…

Q: In a country, 80% of the graduates are citizens,65% of the citizens graduates are employed while…

A:

Q: A survey of 1200 people in a city found that 720 people have invested in stocks, 480 people have…

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

Q: There are 65 students going on a soccer trip. 43 are soccer players, 12 are left handed, 5 of the…

A: Total students  = 65 S : Number of soccer players  = 43 L : Left handed = 12 L and S : Left handed…

Q: A college sends a survey to selected members of the class of 2019. Of the  1,913   people who…

A: Given information No of people graduated = 1913 No of women = 569 No of women who went to graduate =…

Q: A school has 12 good runners of which 5 are girls. If four are chosen at random to represent the…

A: Given that a school has 12 good runners of which 5 are girls.  So (12-5)=7 are boys   We can select…

Q: A basket contains 80 potatoes, 6 of which are spoiled. If a sample of 3 is drawn and not replaced,…

A: Let G - good potato B - spoiled potato Given : 80 potatoes, 6 of which are spoiled That is, 74 are…

Q: According to​ statista.com, 66.7​% of U.S. households have Cable TV​ / Satellite TV. If six…

A: From the given information, the percentage of U.S households have Cable TV​ / Satellite TV 66.7% and…

Q: In a country, 70% of the graduates are citizens,60% of the citizens graduates are employed while…

A:

Q: A jar contains 4 red marbles, 8 green marbles and 12 white marbles. If a marble is drawn from the…

A:

Q: what is probability that a PIN number is 4 consecutive digits

A: The numbers  0,1,2,3,4,5,6,7,8,9 can be used for 4 digit  PIN  number. There are 10 choices  for 1st…

Q: At a used bok sale, 100 books are adult books and 160 are childrens books. Of the that it is adult…

A: From the information give, the table showing the types of books is,   Adult Children Total…

Q: In a survey, 495 people indicated they prefer pepperoni pizza, 95 indicated they prefer cheese…

A: Probability of an event = (The number of wanted outcomes) / ( the number of total outcomes )

Q: Suppose five cards are randomly selected from a standard deck of 52 cards. What is the probability…

A: Given that: Five cards are randomly selected from a standard deck of 52 cards. Required: To find the…

Q: Assume that when adults with smartphones are randomly​ selected, 59​% use them in meetings or…

A:

Q: At a party, there are 32 men, 16 of whom are without dates, and 28 women, 12 of whom are without…

A: Addition rule of probability:Addition rule of probability indicates the happening either of the…

Q: A card is drawn from a standard deck of 52 cards. What is the probability that it is a king, given…

A: We know that the probability of event A is , P(A) = n(A)/n(S)  where, n(A) = number of observation…

Q: In a class of 30 students, 12 have a cat and 19 have a dog. There are 6 students who do not have a…

A:

Q: There are 30 students in a class, 16 students can speak French,21 students can speak Spanish. What…

A: Let , F= french , S= Spanish  Given ,  Using the union property of probability we get  So, 7…

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: From a pack of 52 playing cards, three cards are drawn one after the other without replacement. What…

A: Total number of cards = 52 Number of Ace cards = 4 Number of King cards = 4 Number of Jack cards = 4

Q: A bag contains 20 marbles, of which 3 are blue and 7 are green. One marble is drawn from the bag.…

A: Given Total number of marble=20 Number of blue marble=3

Q: Assume that when adults with smartphones are randomly​ selected, 57​%use them in meetings or…

A:

Q: An animal shelter has a 65% adoption rate for puppies. Of all puppies in the shelter, 72% live to be…

A: Let us denote A= a puppy gets adopted  B= lives 7 years or older given that  P(A)=65%=0.65 P( B | A'…

Q: An urn contains 7 red balls, 2 blue balls, 4 green balls and 3 yellow balls, If a single ball is…

A: Total number of balls =7+2+4+3 =16.If the ball is neither yellow nor blue, then it will be either…

Q: From a box containing five black balls and three green balls, three balls are drawn in succession,…

A:

Q: A bag contains 7 coins, of which 3 are fair; the remaining coin has a head on both sides. If a coin…

A: Concept of probability: Probability deals with the likelihood of occurrence of a given event. The…

Q: In a country, 75% of the graduates are citizens,60% of the citizens graduates are employed while…

A: Given , 75 percent of the graduates are citizens ... Among them 60 percent of citizens are employed…

Q: A coin is loaded so that the probability of a head occurring on a single toss is 3/4. In five tosses…

A: The provided information are:

Q: a. A box contains 20 “LAYS" snack packets, each packet is equally likely to be MASALA or FRENCH…

A: According to the Bartleby guideline only one question can be solved at one time, post the remaining…

Q: On average, a certain call center receives 73 calls per hour. a. What is the probability that in a…

A:

Q: A family was randomly chosen from a set of families having four children. What is the probability…

A: From the given information. From the set of families having 4 children, a family was chosen at…

Q: A gambler places a bet on a horse race. To win, he must pick the top three finishers in order. Six…

A: Here Given  Total no of Horse= n= 6

Q: A die is rolled 8 times. Given that there were 3 sixes in the 8 rolls, what is the probability that…

A: Here  A die is rolled 8 times,  probability that obtaining six at any dice is, p=1/6 Given that…

Q: Seven white balls and five black balls, which are indistinguishable apart from color, are placed in…

A: Let,  Total number of balls in the bag(n) =12. S be the sample space. Then n(S) = Total number of…

Q: Of 350 workers surveyed in an industrial community, 65 worked in the lumber yard and 30 work in the…

A: Total number of worker surveyed in community is 350. The number of worker for yard is 65. The number…

Q: An animal shelter has a 65% adoption rate for puppies. Of all puppies in the shelter, 75% live to be…

A: Let us denote A= a puppy gets adopted  B= lives 7 years or older given that  P(A)=65%=0.65 P( B | A'…

Q: Assume that 6 women and 8 men work in a department at a Targe company, a committee of 5 people from…

A: We have to find the probability based on combination

Q: A marble is selected at random from a jar containing 5 red marbles, 6 yellow marbles, and 3 green…

A: From the provided information, The jar contains 5 red marbles, 6 yellow marbles and 3 green marbles.…

Q: In a country, 80% of the graduates are citizens,65% of the citizens graduates are employed while…

A: Solution: Probability P(E)=( Number of favourable outcomes n(E)) ÷ ( Number of total possible…

Q: In a second-grade class containing 13 girls and 9 boys, 2 students are selected at random to give…

A:

Q: 33. Of 240 students, 176 are on the honor roll, 48 are members of the varsity team, and 36 are in…

A: Given total number of students are 240 in which 176 are on the honor roll, 48 are members of the…

Q: A survey of athletes at a high school is conducted, and the following facts are discovered: 9% of…

A: A n B=athletes play both football and basketball

Q: In a class of 80 students, 48 are girls and, of these, 22 are going to college. Of the 32 boys in…

A: The solution of the problem is given in the next step.

Q: In a box, there are 9 black ball pens and 3 red ball pens. If two ball pens will be taken randomly,…

A: Total number of ball pens in a box=12 Out of which 9 are black ball pens and 3 are red ball pens.…

Q: 2. Of 240 students, 176 are on the honor roll, 48 are members of the varsity team, and 36 are in the…

A:

Q: A color tile will be taken at random contains 2 blue tiles, 5 red tiles, and is the probability that…

A: Given data, Number of blue tiles=2 Number of red tiles=5 Number of green tiles=4 Total number of…

Q: Assume that 6 women and 8 men work in a department at a large company, a committee of 4 people from…

A:

Q: 8. In a college graduating class of 100 students, 54 studied mathematics, 69 studied history, and 35…

A:

Q: Assume that 2 cards are drawn without a replacemnt from a standard 52 card deck. What is the…

A: Given that 2 cards are drawn without a replacement from a standard 52 card deck.  Total number of…

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.