A ceiling fan manufacturer claims that 89% of homes in the South have ceiling fans. A random sample of 100 Southern homes was surveyed, and 85 had ceiling fans. Let  = the proportion of the sample homes that have ceiling fans

Q: There were 20 multiple choice questions on Exam 2. The probability of getting the right answer on…

A: Given Information: n=20p=25%=0.25To find out the probability that a student who did not study would…

Q: The probability that a 28-year-old gets less than 5 hours sleep is 35.2%. The probability that a…

A: The probability that a 28-year-old gets less than 5 hours sleep is 35.2%. The probability that a…

Q: If 23% of all patients with high blood pressure have bad side effects from a certain kind of…

A: Normal approximation to the binomial: From the given information, sample size, n = 120. The…

Q: In a dental study on children it was found that the probability of the child population having any…

A: P(C) = p = 2/3 P(Not C) = q = 1-p= 1/3

Q: Based on a poll, 69% of Internet users are more careful about personal information when using a…

A: It is given that n = 4 and p = 0.69.

Q: What is the probability that a z-score will be 0.92 or less?

A: The objective of this question is to find the probability that a z-score will be 0.92 or less. In…

Q: There are 350 dogs at a dog show, who weigh an average of 15 pounds with a standard deviation of 7…

A: Given,sample size(n)=40mean(μ)=15standard deviation(σ)=7

Q: The table summarizes results from 983 pedestrian deaths that were caused by automobile accidents.…

A: Total number of pedestrian who's no  intoxicated =70+573=643 Total number of accident=983 We want to…

Q: Scoring a hole-in-one is the greatest shot a golfer can make. Once 4 professional golfers each made…

A:

Q: About 70​% of all female heart transplant patients will survive for at least 3 years. Sixty female…

A: Given n=60 Population proportion=0.70 p=0.66

Q: About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults is…

A: Given, About 13% employed adults in the US held multiple jobs. Random sample of 74 employed adults…

Q: The probability that an UofM student is from the Greater Toronto Area is only .25. What is the…

A:

Q: A recent survey of 1090 U.S. adults selected at random showed that 685 consider the occupation of…

A: The question is about prop. Given : Randomly selected no. of adults ( n ) = 1090 No. of adults…

Q: A real estate agent in a large city claims to sell 15% of their houses within two months of the…

A: given   Let  = the proportion of houses in the random sample that were sold within two months.

Q: A recent survey of 1010 U.S. adults selected at random showed that 687 consider the occupation of…

A: Probability: Probability is the ratio of favourable outcomes to all other potential outcomes of an…

Q: A recent survey of 1010 U.S. adults selected at random showed that 685 consider the occupation of…

A: We have to find given probability that a U.S. adult selected at random thinks the occupation of…

Q: According the World Bank, only 8% of the population of Uganda had access to electricity as of 2009.…

A: Binomial distribution : Binomial distribution describes the possible number of events occurs in…

Q: of 50 carpenters finds that 30 are journeymen and 20 are master carpenter Of the journeymen, 10…

A: A survey of 50 carpenters finds that 30 are journeymen and 20 are master carpenter Of the…

Q: A study showed that the sex ratio of children born to families in a native community of Ontario…

A: A study showed that the sex ratio of children born to families . Given: A news paper report about…

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

A:

Q: If the probability of busy time from a mobile phone connection is p=0.04. To find out that 4…

A: Probability distribution describes all possible values that a random variable can take within the…

Q: The Jones family was one of the first to come to the U.S. They had 7 children. Assuming that the…

A: It is given that n=7 and p=0.5.

Q: The mean number of patients admitted per day to the emergency room of a small hospital is 1.5. If,…

A:

Q: When 2 births are randomly selected, the sample space for genders is bb, bg, gb and gg. Assume that…

A:

Q: Use a normal approximation to find the probability of the indicated number of voters. In this case,…

A: It is given that variable X represents the number of eligible voters who voted. X~B (123, 0.22).

Q: probability of rolling a sum less than 44

A: Probability : It is the chance of occurrence of an event. Probability of any event lies between 0 to…

Q: It is known that the customers of a hotel are 0.68 percent satisfied with the hotel. Accordingly,…

A:

Q: A recent survey of 1010 U.S. adults selected at random showed that 647 consider the occupation of…

A:

Q: The inferential statistics is used to compare the sample sets and estimate the probability that they…

A: given data, the inferential statistics is ued to compare the sample sets and estimate the…

Q: In 1995, the median price of a PC was $1200. Suppose that a random sample of 100 persons who bought…

A: The given sample size is 100 persons and the median price of a PC was $1200.

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.