A study is conducted to assess the impact of caffeine consumption, smoking, alcohol consumption, and physical activity on cardiovascular disease.  Suppose that 40% of participants consume caffeine and smoke.  If 8 participants are evaluated, what is the probability that: A. Exactly half of them consume caffeine and smoke? B. At most 6 consume caffeine and smoke? Must be in excel

Q: A test was given to a group of students. The grades and gender are summarized below A BC Total Male…

A: The number of students got B grade is 23. The number of students is female and got grade B is 6.

Q: In a class of students, the following data table summarizes how many students have a brother or a…

A: From the provided information,   Has a brother Does not have a brother Total Has a…

Q: In a government aid program, the following data is collected. Of the people who attend the program,…

A: We have to find out given probabiity..

Q: Is the following a probability model? What do we call the outcome "red"?   Color…

A: Given The  probability for red is zero .

Q: A study of interior designers' opinions with respect to the most desirable primary color for…

A: Given that. Total number of openion=400 And number of openion for red=92

Q: In a survey of 188 people, the following data were obtained relating gender to political…

A:

Q: Dana Hills High School was considering going back to campus rather than remote instruction for the…

A:

Q: On a deck of 52 playing cards, what is the probability of drawing either a heart or a club, then a…

A:

Q: Is the following a probability model? What do we call the outcome "green"?   Color…

A: Q.1)  Yes , It is a Probability model  The sum of the all Probabilities Corresponding all events is…

Q: A study of interior designers' opinions with respect to the most desirable primary color for…

A: Use the total probability rule

Q: A survey of 200 people was conducted to see if they smoke. The results are shown in the table. Male…

A: Given info: A survey of 200 people was conducted to see if they smoke.

Q: A doctor's office surveyed patients about their eating and exercise habits. The responses are…

A: According to given figure probabilityP of patients reported eating healthy or exercise regularity is…

Q: Do Malaysian prefer to eat KFC, MCD, or PIZZA HUT? A survey is conducted in 2020; and the results…

A: Dear Student, We are allowed to solve only the first three subparts. Kindly ask the remaining part…

Q: A medical study testing a new drug for treating cooties gave the drug to one group and a placebo to…

A:

Q: The table below shows the number of survey subjects who have received and not received a speeding…

A: From the provided information, The table is as follow:   Red Car Not Red Car Total…

Q: A group of 125 truck owners were asked what brand of truck they have and whether their truck has…

A: a) The total number of truck owners is 125.

Q: as the sample. Contingency Table: Athletic Shoe Sandals Dress shoes Other Total Men 28 6. 8. 12 54…

A: Total no. of people = 130 No. of ways of choosing 2 people out of 130 = 130C2 a) No. of people…

Q: In a survey of 7780 workers, the following question was asked: How often are you late for work? A…

A: Topic-probability

Q: Q. A state public health department wishes to investigate the effectiveness of a campaign against…

A:

Q: The radio broadcast of AM station KTBC can be heard in the neighboring towns of Waterville and…

A:

Q: According to the manufacturer, M&M’s are produced and distributed in the following proportions: 13%…

A:

Q: The table below shows the number of survey subjects who have received and not received a speeding…

A: The probability of union of two sets are given as, P(A or B) = P(A) + P(B) – P(A and B).

Q: According to the Australian Bureau of Statistics, during a particular year, the country’s population…

A: The mean is, μ=np=200×0.226=45.2 The mean is 45.2 The standard deviation is,…

Q: c. A bag contains 20 tennis balls, of which four are defective. If two balls are selected at random…

A: c.   Probability =Favorable caseTotal casesFavourable case : Number of chance to get both defective…

Q: A firm offers routine physical examinations as part of a health service program for its employees.…

A: See the handwritten solution

Q: The accompanying table shows proportions of adults in metropolitan areas, categorized as to whether…

A: Given: The table shows the probability of voted adults in public-radio contributors and non…

Q: If a randomly selected lamp is defective, what is the probability that the lamp was manufacturedin…

A: Bayes’ rule: If A1,A2,...,Ak are k mutually exclusive and exhaustive events, such that the sum of…

Q: A school survey found that 7 out of 30 students walk to school. If two students are selected at…

A:

Q: The table below shows the distribution of books on a bookcase based on whether they are nonfiction…

A: Given,   Hardback Paper Total Non Fiction 15 8 23 Fiction 13 59 72 Total 28 67 95

Q: Given that a 5 - card poker hand is dealt from a standard deck of 52, find the probability of not…

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

Q: The Pew Research Center finds that the demographic make-up of political parties is changir…

A: Democrat Republican Total College degree 37 31 68 No College degree 63 69 132 Total 100 100…

Q: The Political Action Club has surveyed 270 students on your campus regarding the relationship…

A:

Q: In a class of students, the following data table summarizes how many students have a brother or a…

A: Solution

Q: A bank has the following data on the gender and martial status of 200 customers…

A: P(single female )=30/100=0.15 P(married male)=100/200=0.5

Q: In a particular class, 78% of the students have a smartphone, 38% have a smartphone and a tablet,…

A: GivenPercent of students have a smartphone = 78%percent of students have a smartphone and a tablet =…

Q: A store manager records sales number for TVs of brands A, B, C, D, and E and listed them in the…

A: Brand  frequency  A 41 B 53 C 39 D 23 E 17 Total 173

Q: In rolling a die, the probability of obtaining 2, 3, and 4 in three statistically independent throws…

A: Classical Definition of Probability: If there are n mutually exclusive, exhaustive and equally…

Q: A survey of 200 people was conducted to see if they smoke.   The results are shown in the table.…

A: The provided data is,

Q: A fruit retailer complains to a wholesaler that 60 percent of the boxes of apples shipped to the…

A: As per our guidelines we are suppose to answer three sub parts .

Q: A study by the National Park Service revealed that 50 percent of vacationers going to the Rocky…

A: The following information has been given: The probability of vacationers visit Yellowstone Park is…

Q: Suppose that seven hundred twenty-five residents were randomly selected and asked whether they have…

A: Obtain the probability that the resident is a male or has Covid vaccine booster shot. The…

Q: Use the method of your choice to determine the following probabilities.   a. What is the probability…

A: a) probability of rolling two 2s followed by one 6 on three rolls of a fair die sample space =…

Q: a) What is the probability that a randomly chosen male respondent or his partner has blue eyes? b)…

A: HERE GIVEN CONTIGENCY TABLE OF COLOR OF EYES OF MALE AND HIS PARTER AS PER POLICY I  HAVE CALCULATED…

Q: A university recently surveyed 500 students to determine which new fitness area to offer in its…

A: Required probability is P(spinning room/graduate student)

Q: The following table shows the numbers of patients classified as underweight, normal weight,…

A: (1) Obtain the probability that a patient selected at random is overweight. The probability that a…

Q: Alex surveyed some students at his school, asking them about their favorite sport and whether they…

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

Q: R. H. Bruskin Associates Market Research found that 40% of Americans do not think that having a…

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

Q: In a sample of college students, 100 live on campus, 60 live with family off campus, and 40 live in…

A: We have given that 100 students live on campus. Number of students live off campus is 60+40=100…

Q: During the 1971-72 season, the Los Angeles Lakers won 69 games and lost 13. Assuming that the…

A:

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.