A study published in a consumer magazine indicated that when a husband and a wife shop for a car, the husband exerts the primary influence in the decision 70% of the time. Five couples who will be purchasing a car are selected at random. How many of the couples will the husband be expected to exert primary influence?

Q: in a small private school, 4 students are randomly selected from 15 available students. what is the…

A: The number of combinations is: 15C4 = (15! / (4! (15−4)!) 15C4 = 1365

Q: On a 9 question multiple-choice test, where each question has 4 answers, what would be the…

A: Binomial probability refers to the probability of exactly x successes on n repeated trials in an…

Q: In a class, 30% of the students offered English, 20% offered Hindi and 10% offered both. If a…

A: Percentage of students offered English is 30%. Percentage of students offered Hindi is 20%.…

Q: in a certain town, 25% of people commute to work by bicycle. if a person is selected randomly from…

A: According to the provided information, 25% of people commute to work by bicycle.

Q: A psychology class consists of 28 males and 52 females. if the professor selectes names from the…

A: (a) Obtain the probability that the first student selected will be a female. The probability that…

Q: A small ice cream parlor has had great success over the past several years and is interested in…

A: Given information: Number of customers randomly selected in the sample, n = 56 Number of customers…

Q: Amarble is selected at random from a jar containing 2 red marbles, 3 yellow marbles, and 4 green…

A: GivenA jar containsNo.of red marbles=2No.of yellow marbles = 3No.of green marbles = 4Total no.of…

Q: A physicist intended to select three out of the rainbow colour in an experiment, what are the…

A: Given: We need to select three out of the rainbow colors .

Q: If you know the names of the remaining 10 students in the spelling bee, what is the probability of…

A: You have 10 choices for the first student * 9 choices for the 2nd student * 8 choices for the 3rd…

Q: In a statistics class, there are 18 male and 10 female students; 6 of the females are from the…

A:

Q: In a class of 50 students, 29 are Democrats, 11 are business majors, and 5 of the business majors…

A: It is given that in a class of 50 students, 29 are Democrats, 11 are business majors, and 5 of the…

Q: A poll is given, showing 50% are in favor of a new building project. If 8 people are chosen at…

A: We have to find given probability.

Q: A poll is given, showing 50% are in favor of a new building project. If 9 people are chosen at…

A:

Q: Given a group of 9 men and 11 women, find the probability of selecting a committee of 4 that has…

A:

Q: The grade appeal process at a university requires that a jury be structured by selecting seven…

A: Given Information: Number of students = 13 Number of faculty = 8 The grade appeal process at a…

Q: In a study of 44 patients at a rural hospital, there were 9 females in the ICU, 6 females in the…

A:

Q: A pet supplier has a stock of parakeets of which 10% are blue parakeets.  A pet store orders 3…

A: It is given that n = 3 and p =0.10.

Q: Who is the king of late night TV? An Internet survey estimates that, when given a choice between…

A:

Q: A manufacturer of automobile tires reported that among a shipment of 600 sent to a local…

A: Given that 20 are blemished out of 600. So the probability of blemished is= 20/600= 1/30

Q: A poll is given, showing 60% are in favor of a new building project. If 10 people are chosen at…

A:

Q: A poll is given, showing 40% are in favor of a new building project. If 10 people are chosen at…

A: We have to find probability..

Q: The table above shows the distribution of medals awarded at the 2012 London Summer Olympics. If an…

A: From the given information, The Bronze count for countries are: USA: 29 China: 23 Russia: 32 Great…

Q: Find the probability distribution for the number of dance collections when 3 collections are…

A: Let X be a random variable which represents the number of dance collections when 3 collections are…

Q: In a certain town, 4% of people commute to work by bicycle. If a person is selected randomly from…

A: The odds of an event A is the ratio of the number of unfavorable choices for the event to the number…

Q: A psychology class consists pf 28 males and 52 females. If the professor selects names from the…

A: Number of males in the class = 28 Number of females in the class = 52 Total number of students =…

Q: If you know the names of the remaining three students in the spelling bee, what is the probability…

A: The probability is the chance of an occurrence of an event. Given that, the names of three students…

Q: If you know the names of the remaining ten students in the spelling bee, what is the probability of…

A: To find: Probability of selecting the correct spelling bee order.

Q: A study published in a consumer magazine indicated that when a husband and a wife shop for a car,…

A:

Q: The grade appeal process at a university requires that a jury be structured by selecting eight…

A: Probability measures the chance of occurrence of an event out of all possible events.…

Q: What is the probability of Selecting an all male five person jury from a pool of 10 men and 10 women…

A: Number of men=10  Number of female=10 We want to find the probability of selecting an all male five…

Q: On a 7 question multiple-choice test, where each question has 5 answers, what would be the…

A: Let p be the probability of getting a wrong question. Then p = 4/5 Let X denote the number of wrong…

Q: If your playlist has 7 rap songs, 8 hip hop songs, and 3 folk songs on it and you select one song at…

A: You have posted multiple questions. As per the instruction, we will be answering only one question.…

Q: 100 employee-owned company are asked how they get to work and whether they work full time or…

A: The given information in the below Table.

Q: In a group of 100 students, 80 study Physics, 90 study Math and 5 study none of the subjects. What…

A: The union of events A and B is defined as n(A ∪ B) = n(A)  + n(B) – n(A ∩ B).

Q: After surveying 625 potential voters polled, you find out that 325 support candidate X and 300…

A: Total number of voters  (n) =625number of voters support candidate X (x) =325number of voters…

Q: In a ninth grade homeroom class, 3 of the 16 girls have red hair and 2 of the 15 boys have red hair.…

A: Given: Number of girls = 16 Number of boys = 15 Number of girl having red hair = 3 Number of boy…

Q: Find the probability distribution for the number of dance collections when three collections are…

A: Given that, three collections are selected at random from a dance collection consisting of three Hip…

Q: Find the five‑number summaries for the pain and no‑pain groups. (Enter your answers rounded to two…

A:

Q: In a high school with 1,500 students, which would be the best way to select a random sample of…

A: The data asked to collect is bout music preferences.

Q: If I use the portion of the given random number table to select the first five students to be…

A: Given that there are 250 students and they are numbered from 001 to 250 in alphabetical order. To…

Q: Sleep researchers were trying to understand the impact of cell phone use before bedtime on the…

A:

Q: A poll is given, showing 35% are in favor of a new building project. If 9 people are chosen at…

A:

Q: In a​ survey, it was found that 80​% of adults operate the flusher of toilets in public restrooms…

A: Given : Let X : No. of adults operate the flusher of toilets in public restrooms with their foot  p…

Q: What is the probability of randomly selecting all seniors to form a committee of two from a pool of…

A: We have to find the probability of randomly selecting all seniors to form a committee of two from a…

Q: The grade appeal process at a university requires that a jury be structured by selecting eight…

A: Total number of members available for selection (N) = 11 + 9 = 20 Number of members to be selected…

Q: In a survey, it was found that 80% of adults operate the flusher of toilets in public restrooms with…

A: Given information- Sample size, n = 300 The proportion (p) is = 0.80 Now, from Binomial to normal…

Q: If you know the names of the remaining five students in the spelling​ bee, what is the probability…

A:

Q: Of the patients at a cardiac rehabilitation centre, 36% lead a sedentary lifestyle and have had a…

A:

Q: In a class of 50 students, 27 are Democrats, 9 are business majors, and 7 of the business majors are…

A:

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.