Q6- The average number of typographical errors on a page of a certain magazine is 0.02. What is the probability that the next 50 pages you read contains a) At most 3 errors b) exactly 3 errors?

Q: Assume that 15​% of people are​ left-handed. Suppose 12 people are selected at random. What's the…

A: Solution

Q: (5) Records show that 85% of students need work in chemistry, 60% need work in writing and 50% need…

A: For the given data P( chemistry or writing ) = ?

Q: n a large population, 55 % of the people have been vaccinated. If 4 people are randomly selected,…

A:

Q: What is the probability that the woman selected does not have red/green color blindness? (Type an…

A: Given: P( women has red/green color blindness) = 0.0002

Q: n a large population, 61 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Given that  In a large population 61% of people have been vaccinated. P = 0.61 ; (1-P) = (1-0.61) =…

Q: What is the probability that the traveler will be arrested for illegal possession of narcotics?…

A: To avoid detection at customs, a traveler places 7 narcotic tablets in a bottle containing 14…

Q: 4. If the king's 50 knights are all randomly assigned a sword, and the 50 swords in the king's…

A:

Q: 4. A proof-reader discovered 200 misprints in a book containing 800 pages. Assuming that the…

A:

Q: (5) Records show that 85% of students need work in chemistry , 60% need work in writing and 50% need…

A: Given that 85% of students need work in chemistry , 60% need work in writing and 50% need work in…

Q: Assume that when adults with smartphones are randomly selected? 53% use them in meetings or classes.…

A:

Q: 14. Find the probability when x is at least 3?

A:

Q: 33% of U.S. adults say they are more likely to make purchases during a sales tax holiday. You…

A: Given dataProbability that U.S. adults more likely to purchase i.e. p = 0.33No of adults i.e. n =…

Q: poll is given, showing 35% are in favor of a new building project. 8 people are chosen at random,…

A: Here it is given that-  8 people are chosen at random and 35% are in favor of a building new…

Q: A. What is the probability that the or more copies will be demanded in a particular day? B. What is…

A: The daily  demand for copies of a movie magazine at a variety store has the probability distribution…

Q: - What is the probability hat a household views television between 6 and 9 hours a day (to 4…

A: Let , X→N(μ=8.35 , σ=2.5) Our aim is to find the following :  a. P(6<X<9) b. P(X>x)=7% ,…

Q: a. What is the probability that a product is assembled in less than 12 minutes? b. What is the…

A:

Q: A basketball player succeeds in making a basket 3 tries out of 4. How many tries are necessary in…

A: Given: P(Success in a single shot) = 3/4 = 0.75

Q: 88. Ten books, consisting of 5 mathematics books, 3 physics books, and 2 chemistry books, random.…

A:

Q: 11. On average, 5 conferences occur annually in a university. What is the probability that in any…

A: Given,The average conferences occur annually is 5X=no.of conferences will occur in the…

Q: 43​% of adults say cashews are their favorite kind of nut. You randomly select 12 adults and ask…

A: Ans - Given, 43​% of adults say cashews are their favorite kind of nut. i.e  p = 0.43 You randomly…

Q: A fair coin is tossed 300 times.Determine the probability of obtaining  - Exactly 210 heads   -…

A: given data ; tossed coin 300 times p(head ) = p(tail) = 0.5 x  number of heads   here n ≥30…

Q: b.) At Big State University, 70% of incoming freshmen will graduate by the end of their first four…

A: (b)   (i)   Obtain the probability of having exactly 850 graduate in four years.   The probability…

Q: 2. The probability that a patient recover from a delicate heart operation is 0.9. Of the next 100…

A: (a)   Obtain the probability that between 84 and 95 inclusive survive.   The probability that…

Q: 8 people are taking a driving test. If the probability of passing the test is 0.75. What is the…

A:

Q: 28. Find the probability that in a family of 5 children, there will be at most 2 girls. Assume that…

A:

Q: If the Bit Error Rate (BER) in a wireless communication system in 0.5%, then find the followir side,…

A: 100 Megabytes (MB) = 838,860,800 Bits Bit Error Rate= Number of bits having error/ Total bits…

Q: Q. 5 A postman has to deliver five letters to five different houses in a street. Unfortunately, the…

A: No. of letters = 5. No. of houses = 5.  Each letter can go to any of the 5 houses since the address…

Q: Among 13 participants in a television game show only 3 have been women. What is the probability of…

A:

Q: O A certain tennis player makes a successful serve 80% of the time. Suppose the tennis player serves…

A:

Q: 88 % of the items produced by a machine are non- defective. What is the probability that among 50…

A:

Q: The probability that a patient recovers from a stomach disease is .8. Suppose 20 people are known to…

A: It is given that n = 20 and p = 0.8.

Q: A fair coin is tossed 12 times. What is the probability that: a)   Exactly 7 heads appear?  b)   At…

A:

Q: What is the probability

A:

Q: (a) What is the probability that a randomly selected 49- to 52-year-old mother who had a live birth…

A:

Q: According to weather data records from Vancouver International Airport (since 1981), there is some…

A: Let, X= number of days of rain or snow  n= number of observations= 7  p= probability of success=…

Q: American Airlines' flights from Chicago to Atlanta are on time 90 % of the time. Suppose 9 flights…

A: Given information- We have given a problem of binomial distribution. We have given that American…

Q: ​28% of U.S. adults say they are more likely to make purchases during a sales tax holiday. You…

A: Given Datap = 0.28n = 10a) probability that the number of adults who say they are more likely to…

Q: A thief steals an ATM card and must randomly guess the correct five​-digit pin code from a 7​-key…

A: We have 5 digit pin and 7 choices per each digit of pin Because repetition is allowed, for each…

Q: In a bingo game , there are 75 balls. in the first draw, determine the probability that ball is a. A…

A:

Q: (a) [3] What is the probability that there 14 defective hard drives produced in a day? (b) [3] Given…

A: We know that : the Poisson probability formula is :

Q: Assume that "n" persons are seated on n chairs at a round table. Find the probability that two…

A: It is given that Number of individuals to sit at a round table = n Then total number of ways in…

Q: a. What is the probability that the length of stay in the ICU is one day or less (to 4 decimals)? b.…

A: Here given that stay in icu is exponentially  distributed  Here all required probabilities are in…

Q: Find the probability of obtaining exactly one heart in four drawing from a deck of 52 cards. Find…

A:

Q: In a recent survey, it was found that the median income of families in country A was $58,000. What…

A: Given Randomly selected family has an income greater than $58000

Q: b. A survey of teenagers showed that 75% of them spend their pocket money on clothing. Find the…

A:

Q: About 78% of local residents say they plan to vote in the next election. A random sample of n = 15…

A: Given data,n=15p=78%=0.78P(X>10)=?

Q: 17. If six coins are tossed simultaneously, find the probability that three fall h

A: From the given information, 6 coins are tossed simultaneously and the probability of getting a head…

Q: About 12% of all college students re currently enrolled in a statistics course. A random sample of n…

A:

Q: What is the probability of drawing a card with a prime number from a deck of cards

A: there are total 52 cards in deck  prime numbers are 2,3,5,7,11,13 that is total 6 prime numbers in…

Q: There are 15 mobile phones in a package box, 9 of which are iphones. If a person takes 5 phones from…

A: Given 15 mobile phone in box=9(Iphone)+6(other phone) 5 phone selected from box.  Find the…

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.