10.A hotel claims that 50% of its customers are very satisfied with its service.  Answer the following questions based on a random sample of ten customers: What is the probability that exactly five customers are very satisfied? What is the probability that more than six customers are very satisfied? What is the probability that less than four customers are very satisfied?

Q: 9. Sixty percent of all road accidents are due to distracted driving. In a random sample of 400…

A: Given Data: n=400 p=0.6 Let X be the random variable of number of accidents. Using Central Limit…

Q: According to IDC, 70% of smartphones in the world use Google’s Android operating system in the…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: 1. Suppose that 31% of adults have at least one tattoo. If you sample 90 rand adults, what is the…

A: Z = p^-pp(1-p)n~N(0,1)

Q: 1. A six member debate team is to be formed from 8 boys and 10 girls who tried out. a) Determine the…

A: A random variable is a variable whose values depend on outcomes of a random experiment. It is a…

Q: A market research firm conducts telephone surveys with a 40% historical response rate.What is the…

A: It is known that, the mean of the sampling distribution of sampling distribution, p-hat is equal to…

Q: The number of adults living in homes on a randomly selected city block is described by the following…

A: Given that the number of adults living in homes on a randomly selected city block is given.…

Q: 17. What is the probability that a randomly selected person would be a Female ana had a Negative…

A: Provided information is, a market research study is being conducted to determine if a product…

Q: Although studies continue to show smoking leads to significant health problems, 20% of adults in the…

A: Note: Hey, since multiple sub parts are posted, we will answer first three sub parts according to…

Q: 1) If the management wants to give free gifts to at most 10% of the customers, what should the…

A: The amount is given by x = u + z0.1σ x = 400 + 1.282 x 30x = 438.46

Q: What is the probability that a randomly selected student sings in the shower 1-2 times a week given…

A: The table given below ,    0 times a week 1-2 times a week Total Country 7 16 23 Rock 9 11 20…

Q: What is the probability that 15​,16​,17​,18​, or 19npeople in the sample are in favor of retaining…

A: d. Obtain the probability that 15, 16, 17, 18, or 19 Spaniards from the sample are in favor of…

Q: Suppose it is reported that 79 % of people subscribe to a cable or satellite television service. You…

A:

Q: i. Suppose in a district grade 1 through grade 5, 60 percent of the population favor a particular…

A: we are suppose to answer three sub parts .

Q: Fifty managers of a large chain Hotel were selected and classified according to their gender and…

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

Q: 6. It is estimated that 4000 of the 10,000 voting residents of a town are against a new sales tax.…

A: 6th question : 4000 of 10000 voting residents of a town are against of new sales tax.

Q: 10 The Australian sheep dog is a breed renowned for its intelligence and work ethic. It is estimated…

A: P(weigh 65 pounds or more )=P=0.45 ∴q=1-p=0.55 n=11 selected x= number of dog  weight 6kg or more

Q: a.) What is the probability that the company uses training? b.) Suppose it is determined that the…

A: Here use probability tree from given information

Q: 3.A quality control expert at a large factory estimates that 10% of all the batteries produced at…

A:

Q: In a survey of 1100 female adults (18 years of age or older), it was determined that 341 volunteered…

A: There are 341 adult females who volunteered at least once in the past year among 1100 females.   The…

Q: 18. Given that a randomly selected person had a Negative Reaction to the study, what is the…

A: 18. There are totally 2,000 consumers are considered in this study out of which 660 are males and…

Q: Based on a study by Dr. P. Sorita Sona at Indiana University, about 35% of the population has blue…

A: Let the random variable X denote the no. of individuals has blue eyes and it follows binomial…

Q: A hospital finds that 25% of its accounts are at least 1 month in arrears. A random sample of 450…

A: Let us denote: X=the number of accounts that were at least 1 month in arrearsGiven that n=sample…

Q: (a) Before 1918, in a random sample of 11 wolves spotted in the region, what is the probability that…

A: i)The probability that 8 or more were male is given by P(X≥8) = 0.1911 Excel formula used:…

Q: Suppose the proportion of elementary students in Texas that are enrolled in fully remote learning…

A: Given that p = 0.20, n = 100, p(x<=10) = ?

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

A:

Q: (4) Consumer Reports rated airlines and found that 85% of the flights involved in the study arrived…

A: ( 4 ) Given that n =200 ,p=0.85

Q: According to a government statistical​ organization, the unemployment rate for workers aged 22 to 25…

A: Given data: p = 5.7% Sample size (n) = 90 To find: a. What is the probability that 6 or fewer will…

Q: 11,12,13

A: 11. Consider X be a random variable which follows normal distribution indicates the number of…

Q: 10.A car insurance company has determined that 9% of all drivers were involved in a car accident…

A: Given: Probability of success (p) = 9% = 0.09 Number of drivers (n) = 14 Consider, X be the random…

Q: What is the probability that a student chosen at random is between the ages 10 and 13 and skips…

A:

Q: 10. A movie theatre estimated that when a random ticket holder is VIP, there is a 1/7 chance that…

A: Given information: PPerson will be over 30 years old=17PWomen=25

Q: Transportation officials reported that 8.5 out of every 2000 airline passengers lost luggage during…

A: Solution: Given information : Let X be the random variable that airline passengers lost luggage…

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 the Bay Area, 40% of registered voters are Democrats, 25% are Republicans, and the remaining 35%…

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

Q: 16. What is the probability that a randomly selected male would have a Positive Reaction to this…

A: Given,   positive reaction neutral reaction negative reaction Male 310 200 150 Female 450 550…

Q: 4. One prominent physician claims that 70% of those with lung cancer are chain smokers. If this…

A: Given problem is :

Q: 3. A traffic control engineer reports that 75% of the vehicles passing through a checkpoint are from…

A: 3)  -probablity is 3/7

Q: I A production facility employs 15 workers on the day shift, 14 workers on the swing shift, and 10…

A:

Q: If the population proportion is 0.90 and a sample of size 64 is taken, what is the probability that…

A:

Q: (a) What is the probability that in a randomlý sampled individual, gene 1 is dominant? (b) What is…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: The following table gives the estimated probabilities that a randomly selected subscriber will…

A:

Q: According to the Open Doors Report, 9.5% of all full-time U.S. undergraduate students study abroad…

A: a)   The percentage of undergraduate students study abroad is 9.5% The percentage of undergraduate…

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: 1. One prominent physician claims that 65% of persons with lung cancer are smokers. If the claim is…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: 21 Suppose it is known that 40% of Americans own an iPhone. If a random sample of 60 Americans were…

A:

Q: 3.12 In a city of 180,000 people there are 20,000 legal im- migrants from Latin America. What is the…

A: Probability: Probability is a chance factor that occurs at every outcome of a random experiment.…

Q: What is the probability that a randomly selected adult user of the Internet is age 50 or older?…

A: Let us define some events A : adult internet user is age 18-49 B : adult internet user is age 50 or…

Q: (a) What is the probability that among 12 randomly observed individuals exactly 8 do not cover their…

A: Given,  Probability of sneezing P=0.267  q=1-P     =1-0.267     =0.733For a binomial…

Q: What is the probability that a randomly chosen survey respondent is a male or chose "recreation" as…

A: There are totally 200 people are considered in which 96 are males, 62 are recreations, and 23 are…

Q: 2a. What is the probability a salesperson selected at random will have a fair potential for…

A: Probability: The formula for probability of an event E is as follows: P(E) = (number of favorable…

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.