Suppose a poll is taken to see which cell phone brands students have and it is found that 37% owned an iPhone, 28% owned a Samsung and 16% owned a Nexus. Suppose that four students are randomly selected (with replacement) from this sample a) What is the probability

Q: In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are…

A: Given Data: The probability that the student belongs to ethnic minorities is: p=33%=0.33 The total…

Q: In a group of students, 70% are taking an English class and 19% are taking a Chemistry class. Among…

A: Given that, P(E)= 70% = 0.70 P(C)= 19%= 0.19 P(C/E)= 7%= 0.07 P(C Ω E)=?

Q: Suppose that 58% of customers at McDonald's order fries, and that 37% of customers are women. Also,…

A: Given information Probability of ordering fries P (order fries) = 0.58 Probability of women ordering…

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: Suppose that 58% of customers at McDonald's order fries, and that 37% of customers are women. Also,…

A: As per answering guidelines,  we can answer only 3 subparts of a question and the rest can be…

Q: Suppose a research has a random sample of 106 social robots, 63 were built with legs only, 20 with…

A: Dear student ,as per written in guidelines we answer first three subparts only. Solution.

Q: Suppose that 30% of all voters prefer Candidate A. If 8 people are chosen at random for a poll,…

A: We have given that  n=8 , p=30%=0.30 , q=1-0.30=0.70 X~Binomial(n=8 , p=0.30)

Q: Suppose that 75% of all college students use TikTok. If 15 are selected at random: a) What is the…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A: Given, the number of none user cell phones=210, one cell phone user=292, for two=370, for three=141…

Q: Of the people who fished at Clearwater Park today, 40 had a fishing license, and 10 did not. Of the…

A: Given          Clearwater park= 40 people license                                and 10 people no…

Q: A poll is given, showing 70% are in favor of a new building project. If 8 people are chosen at…

A: According to the given information, we have Probability, p = 70% = 0.70 Sample size, n = 8

Q: If 20% of the residents in a US city prefer a white telephone over any other color available, what…

A: Givenp=0.20n=1000x~Binomial(n=1000,p=0.20)P(X=x)=(nx)×px×(1-p)n-x   ;  x=0,1....,n

Q: Suppose that 58% of customers at McDonald's order fries, and that 37% of customers are women. Also,…

A: Hi! Thank you for the question, As per the honour code, we are allowed to answer three sub-parts at…

Q: exam, and 38 students are taking the AP Biology exam.  9 students are taking the Calculus and…

A:

Q: 4. The class is randomly divided between three instructors, with 6 people going to each instructor.…

A: As per guidelines we will solve the first question only, please repost other questions for more…

Q: A jury of 12 members is to be selected from a panel consisting of 8 men and 8 women. a. How many…

A: Given: Number of men=8 Number of women=8 Total number of Men and Women is, Total member=8+8=16 It is…

Q: Suppose that 70% of a town’s population have brown eyes, 40% have black hair, and 30% have both…

A: We have given  that population have brown eyes = 70% =0.70 population have black hair = 40% = 0.40…

Q: Suppose that 35% of all voters prefer Candidate A. If 8 people are chosen at random for a poll, what…

A: We have given that p = 35% = 0.35 n = 8 Here we will use binomial distribution The PMF of the…

Q: A poll is given, showing 55% are in favor of a new building project. If 5 people are chosen at…

A: Given Information: Proportion p=0.55 Sample size n=5 The objective is to find the probability that…

Q: Suppose that a recent poll of american households about car ownership found that for households with…

A: Given information- Percentage of household owned a sedan = 39% Percentage of household owned a Van =…

Q: assume there are 1 grey females, 4 grey males, 5 white females, and 6 white males. As in the book,…

A:

Q: An urn has 21 balls that are identical except that 8 are white, 8 are red, and 5 are blue. What is…

A: Given that ; An urn has 21 balls.  Total balls (n) = 21 White balls (w) = 8 Red balls (R) = 8 Blue…

Q: What is the probability of neither being red given that neither is white?

A:

Q: (a) Suppose that 17 lightbulbs in a box of 65 lightbulbs are broken and that 3 are selected at…

A: Solution-: Let, X=Number of lightbulbs broken in the sample Given: N=65,M=17, n=3 We find, (a)…

Q: Suppose that a certain precinct contains 12 voters, of which 7 are Democrats and 5 are Republicans.…

A: From the given information, there are 7 Democrats and 5 are Republicans. The total number of voters…

Q: Suppose that the New England Colonials baseball team is equally likely to win a game as not to win…

A: Obtain the probability that exactly 4 of those games are won by the Colonials.   The probability…

Q: Suppose that 30% of all voters prefer Candidate A. If 9 people are chosen at random for a poll,…

A: Given thatn=9p=0.30q=1-pq=1-0.30q=0.7

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

A:

Q: A survey is taken among customers of a fast-food restaurant to determine preference for hamburger or…

A: Note: Hey, since there are multiple subparts posted, we will answer first three subparts. If you…

Q: Of 100 students, 24 speak French, 18 speak German, and 8 speak both French and German. If a student…

A: Let us denote F=French , G=German Given that n(F)=24, n(G)=18, n(F ∩ G)=8 Using the union formula:…

Q: Nine new employees, two of whom are married to each other, are to be assigned nine desks that are…

A: There are total 9 employees. We can arrange them in 1 row in 9!=362880 ways If the couple have…

Q: According to Nielsen Media Research, 30% of televisions are tuned to NFL Monday Night Football when…

A: p=probability that televisions are tuned to NFL Monday Night Football when it is televised=30%=0.30…

Q: In Electrical Eng. Dept., there are 1000 students, out of which 430 girls It is known that out of…

A:

Q: Box A contains 8 items of which 3 are defective, and box B contains 5 items of which 2 are…

A: Solution To find the probability we will use conditional probability formula and total probability…

Q: A jury of 6 members is to be selected from a panel consisting of 8 men and 8 women. a. How many…

A: Given :Number of man = 8 Number of females = 8 Total number of members = 8+8=16 We want to choose…

Q: wned a sedan, 33% owned a can, and 7% owned

A: To compute the probabilities we have to divide the given percentages by 100.

Q: Suppose that 55% of all voters prefer Candidate A. If 7 people are chosen at random for a poll, what…

A: Given : Let X : No. of  voters prefer Candidate A p=0.55 n=7

Q: In a survey, 422 people indicated they prefer pepperoni pizza, 80 indicated they prefer cheese…

A: Solution: From the given information, total number of people is 422. Out of which 80 indicated they…

Q: Suppose a recent poll of American households about pet ownership found that for households with…

A: The probability that a household has a dog is 0.39. Hence, the probability that all three selected…

Q: One-fourth of the female freshmen entering a Virginia College are out-of-state students. If the…

A: Binomial distribution is given by

Q: In Electrical Eng. Dept., there are 1000 students, out of which 430 girls. It is known that out of…

A:

Q: Suppose that 6 cards are drawn from a​ well-shuffled deck of 52 cards. What is the probability that…

A: In the given question we have to find the probability of getting all 6 cards black from a deck of 52…

Q: A three-person jury is to be selected, at random, from a pool that has 6 people with green eyes and…

A: A pool that has 6 people with green eyes and 6 people with blue eyes. A 3-person jury is to be…

Q: Suppose that 35% of all voters prefer Candidate A. If 7 people are chosen at random for a poll,…

A: Probability that voters prefer Candidate A = 35% = 0.35 Sample size, n = 7

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A: Probability = number of favourable outcome/ total number of outcomes

Q: A poll is given, showing 80% are in favor of a new building project. If 8 people are chosen at…

A: Given that, A poll is given, showing 80% are in favor of a new building project. Sample size, n = 8

Q: (a) Suppose that 10 cookies are distributed among 5 distinct children, what is the probability that…

A:

Q: Of the inhabitants of a certain native village in Africa, 80% are known to have a particular eye…

A: The probability that a person to have a particular eye disorder is p=0.8 The number of people n=12…

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A:

Q: and 7 fed Dals, the second urn has 2 blue balls and 8 red balls, and the third urn has 5 blue balls…

A: Answer: If we draw a red from the first urn then it is sure that we will draw at least 2 balls…