ll TEW 10:20 PM Retake Done (2) It is known that 72% of college students like rap music. In a group of 42 students, find the probability that: a) Exactly 30like rap music. b) Between 28 and 32like rap music. c) Less than 27 like rap music. d) More than 28 like rap music. D'Rotate O Undo

Q: A survey of 500 randomly selected high school students determined that 207 play organized sports.…

A: a) The total number of randomly selected high school students is n = 500.

Q: At a coffee shop, the first 100 customers' orders were as follows. Small Medium Large Hot 48 22 Cold…

A: Given an orders of first 100 customers in a coffee shop

Q: h) A factory is producing components, of which 1.9 % are defective. They are packed in boxes, each…

A: Given thatprobability that component is defective p = 1.9% = 0.019n = 15X ~Binomial(n, p) X ~…

Q: A group of students were asked if they own their own car. Of the 50 Freshman that were sampled, 30…

A: Given information is expressed in the following table:

Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

A: Given: The probability values from the given information are shown below: Gender Contribute (C)…

Q: A survey of 200 randomly selected high school students determined that 72 play organized sports. (a)…

A:

Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

A: Given :   contribute Do not contribute Total male 127 123 250 Female 142 108 250 Total…

Q: 3. A spinner is divided into equal parts. Miles spun the spinner 300 times, and his results are…

A:

Q: p(40<H<60)

A: It is a very important instance in probability. It is widely used.

Q: A physics class has 40 students. Of these, 13 students are physics majors and 15 students are…

A:

Q: Four percent of the customers of a mortgage company default on their payments. A sample of five…

A:

Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

A: Probability=111250=0.444

Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

A:

Q: A survey of 200 randomly selected high school students determined that 156 play organized sports.…

A: Sample size = n = 200 Sample number of events = x = 156

Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

A: We have to find given probability.

Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

A: The table shows the results of a survey in which 250 male and 250 female workers.

Q: A farmer knows that 15% of the apples in his orchard have worms. He randomly selects 5 apples from…

A: Given data,p=15% =0.15number of apples n=5P(X=1)=?

Q: A marketing company surveys teenagers leaving a movie theater to learn about their purchasing…

A: Given Information: A marketing company surveys teenagers leaving a movie theatre to learn about…

Q: A survey of 900 randomly selected high school students determined that 415 play organized sports.…

A:

Q: 5. A basketball player has made 80% of his foul shots during the season. Assuming the shots are…

A: SOLUTION : a) when probabilities are independent. P(A and B) = P(A)*P(B). so, P(misses first time on…

Q: In a test of ESP (extrasensory perception), Professor Bready looks at cards that are hidden from the…

A: It is given that p = 1/4=0.25 and n =100.

Q: 28. Too Young to Tat Based on a Harris poll, among ac say that they were too young when they got…

A: (a)  Among adults who regret getting tattoos, 20% say that they were too young when they got their…

Q: The leading brand of powdered milk in the Philippines has a market share of 45%. A sample of 14…

A: Given that  n=14 , p=45%=0.45 , q=1-p=1-0.45=0.55 X~Binomial(n=14,p=0.45) X=Number of leading brands…

Q: Two coins are tossed. Find the probability of showing two heads. O 50% O 25% 30% O 80% QUESTION 8 A…

A: 7. Given two coins are tossed. So Sample space = { HH, HT, TH, TT } Event of two heads is = { HH }…

Q: 10. Of students ages 16 to 18 with A or B averages who plan to attend college after graduation, 78%…

A: 11) Let X be the random variable which denotes the students didn't cheat. n=10p=0.22  (as…

Q: A survey of 800 randomly selected high school students determined that 756 play organized sports.…

A: It is an important part of statistics. It is widely used.

Q: Giving a test to a group of students, the grades and gender are summarized below A C Total Male 8.…

A:

Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

A:

Q: A survey of 500 randomly selected high school students determined that 74 play organized sports. (a)…

A:

Q: A survey of 600 randomly selected high school students determined that 149 play organized sports.…

A: Solution: From the given information, number of high school students play organized sports is 149…

Q: In country X, 41% of the adult population is nearsighted. If four people from this country are…

A: Solution: Let Y be the number of people are nearsighted and n be the sample number of people. From…

Q: It has been found from experience that an average of six customers use the drive‐ through facility…

A:

Q: A survey of 200 randomly selected high school students determined that 23 play organized sports. (a)…

A:

Q: It has been found from experience that am average of 6 customers use the drive-thru facility at a…

A:

Q: What is the probability that a salesperson selected at random has above-average sales ability and…

A: Total number of salesperson = 500 Number of salesperson who have above average sales and excellent…

Q: At a restaurant, the probability that a customer will order a nonalcohlic drink is .56. Find the…

A: From the provided information, The probability that a customer will order a nonalcoholic drink is…

Q: Too Young to Tat – Based on a Harris poll, among adults who regret getting tattoos, 20% say that…

A: Let the random variable X denote the no. of adults say that they were too young to get tattoos and…

Q: Assuming that half the population are consumers of rice. If 8 individuale taken to test find the…

A: Given Data Probability of success,p = 0.5 Probability of failure,q=(1- 0.5 )= 0.5…

Q: In one section of a supplies warehouse, there are shafts of different diameters. 15 shafts have a…

A: Probability of an event is computed by taking the ratio of number of favourable outcomes to total…

Q: Researchers surveyed one hundred students on which superpower they would most like to have. The…

A: From the provided information, Superpower Male Female Total Fly 30 10 40…

Q: The accompanying table shows the results of a survey in which 250 male and 250 female workers ages…

A:

Q: Refer to Exercise 3. Resistors are randomly selected from the box, one by one, until a 100 Ω…

A: Obtain the probability that the first two resistors are both 50Ω: The box contains 15 resistors. Ten…

Q: A teacher asks her 20 students to each write a book report, but 6 students do not complete the…

A: Required answer is B = 13%. Steps are shown below

Q: Prior to airport construction, a survey was conducted if the residents in a certain barangay are in…

A: Given that  p=35%=0.35 , q=1-p=1-0.35=0.65 n=350 Note: According to bartleby experts question…

Q: 7. The average number of field mice per acre in a 5-acre wheat field is estimated to be 12. Find the…

A:

Q: 60 percent of U.S. heads of households play video or computer games. Choose 4 heads of households at…

A:

Q: 11. Final: A university must choose a team of 6 students to participate in a TV quiz show. The…

A:

Q: In a survey of 1045 people, 693 people said they voted in a recent presidential election. Voting…

A: a) Given that n=1045, p=63%=0.63, x=693. Here, the sample size is large. Hence, we can use normal…

Q: A survey of 100 randomly selected high school students determined that 74 play organized sports. (a)…

A: General formula of probability ,  Probability = Number of favorable outcomes Total outcomes

Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.