survey of American households found that 1/2 had a land line, 7/12 had cable, and 1/4 had neither. What proportion had both a land line and cable?

Q: 4. Based on the survey conducted to 1200 respondents, I out of 3 Filipinos can't live without cell…

A:

Q: You are interested in knowing the proportion of Stormtroopers who are true clones. How many…

A: We have given that  Margin of error =E=2%=0.02 90% confidence.

Q: Students at Neilson Middle School are asked if they prefer watching television or listening to the…

A: Given that, The total number of students at Neilson Middle School is 150. The number of students,…

Q: $3.25 in dimes and nickels, were distributed among 45 boys.  If each received one coin, how many…

A: It is given that, $3.25 (in dimes and nickels) are distributed among 45 boys.

Q: A researcher wants to know what percentage of people who live in Germany are satisfied with their…

A: Solution: The population is the whole people of Germany.

Q: The state of Ohio conducted COVID19 tests on 68,811 people, and 8,533 tested positive. What is…

A: We can find the sample proportion as below

Q: If the Syracuse men's basketball team won 18 games and lost 10, and the Syracuse women's basketball…

A:

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: 37. Whatis the proportion of single women among those who are 30-44 years old? 38. Of the to tal…

A: The following information can be obtained from the table: Number of single women who are 30-44 years…

Q: ching basketball to football?

A: We have to use % formula to solve the problem

Q: (b) What is the proportion of wolves that are female but do not hunt in medium-sized packs o are not…

A: Hi, the question have the multiple sub-parts and as per the guidelines I am obliged to answer first…

Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:

Q: In a recent study, 46% of people enjoy country music.  If 200 people are surveyed about their…

A: Given : Proportion (prop.) of people enjoy country music p = 46% = 0.46 Sample size of people n =…

Q: A consumer magazine wants to figure out which of two major airlines lost a higher proportion of…

A: Given that  Sample sizes n1=620 , n2=400 Favorable cases x1=65 , x2=36

Q: If in a village actually involved by anthrax, 70 per cent of the goats are attacked and pei cent…

A:

Q: A survey of 800 nurses yielded the following information: 430 were health club members, 575 were…

A: Number of nurses in a survey = 800 Number of health club members = 430 Number of smokers = 575…

Q: re in favor of a new Green initiative ere in favor of the initiative. Round a fidence the proportion…

A: a) Given, sample size (n) = 556 x = 354 sample proportion (p^) = x/n = 354/556 = 0.6367 significance…

Q: If eight out of every fifteen trick-or-treaters that came to your house last Halloween were dressed…

A: Total number of trick and treaters is 15x. Total number of trick and treaters who were dressed as…

Q: A taste-testing survey of Zing Farms showed that 2/3 of the people surveyed preferred the taste of…

A:

Q: Suppose that in a survey of five-year-olds, 54% liked the letter A, 58% liked the letter B, and 49%…

A: Solution:robability of liking A  P(A)=0.54 Probability of liking B  P(B)=0.58 Probability of liking…

Q: In a recent year, the most popular colors for light trucks were white, 30%; black, 17%; red, 14%;…

A: We have to use chi-square goodness of fit test. Hypothesis : H0 : p1 = 0.3,  p2 =0.17, p3=0.14,  p4…

Q: 4. Ms. Ellis expected 50 families to attend parent-teacher conferences, but 60 families attended.…

A: To calculate the percentage error

Q: A sobriety test is 96% accurate. Suppose 2500 drivers were pulled over on suspicion ofintoxication,…

A: Given that the sobriety test is 96% accurate, 2500 drivers were pulled over on suspicion of…

Q: In 2013, 46% of high school students tried a tobacco product. From a survey of 500 randomly…

A: Given : Population proportion =46% n=500

Q: According to a recent census, a city has a 25% Hispanic population. Three samples are drawn from…

A: Given information: Percentage of Hispanic population = 25%

Q: A plant manager wants to see if there are different proportions of defective items among the four…

A: A plant manager wants to see if there are different proportions of defective items among the four…

Q: re residents (if any) must I ask, given the fact that (somehow) I know that 62 percent of all…

A: Given: Sample size, n = 32 Probability, p = 62100=0.62 Here the distribution is binomial and for a…

Q: Out of 1000 people surveyed, 850 said they like chocolate.  What proportion of people surveyed said…

A: Given: The total number of people surveyed is 1000 850 people said they like chocolate We have to…

Q: As part of a sixth-grade class project the teacher brings to class a large jar containing 200…

A: Given, Population size = 200 Sample size = 25 Red gumballs = 15 Green gumballs = 10

Q: If six out of every eleven trick-or-treaters that came to your house last Halloween were dressed as…

A: Given, Dressed as witches [ trick-or-treaters that came to your house last Halloween]= 6/11

Q: In an advanced ballet dance class, it is claimed that 42% of dancers can successfully perform a…

A: Given: Sample size, n=27 No. of dancers can successfully perform a double pirouette turn, x=13

Q: A sample of Reese's pieces contains the following: 23 Orange, 14 Brown, 18 Yellow.  What is the…

A:

Q: How large a sample is needed

A: Given :  Margin of error=E=3%=0.03 Significance level=α=0.01 The critical value is ,…

Q: If the proportion of Hs is .45 out of 200 flips, what is the p-value?

A: Solution-: Given : We find p-value=?

Q: If the proportions of nests occupied is the same for golf and nongolf sites, what would be the…

A: It is given that the total number of bird houses with 1 nest is 100 and the total number of nongolf…

Q: mple is rder to be 99% confident that the sample proportion will not differ from the true proportion…

A: Given : Margin of error: ME = 0.06 sample proportion: p̂ = 0.23

Q: mr. One researcher wants to estimate the proportion of MU students who are vegetarian, 6 answered…

A: Sample size is 30. There are 6 students are vegetarians. The hypotheses are given below: Null…

Q: A survey of a magazine's subscribers indicates that 50% own a home, 80% own a car, and 90% of the…

A: Givensubscribers own a home = 50%subscribers own a car = 80%subscribe own a car given that they own…

Q: In a Gallup poll of 1236 adult respondents, 6% said that bad luck follows breaking a mirror. That…

A: The margin of error expresses the amount of the random variation underlying a survey's results

Q: found that 65% of Florida voters support stricter gun laws. There are approximately 13 million…

A:

Q: In Ghana, all patients surviving a stroke are supposed to have their cholesterol levels measured…

A: (i) The hypotheses are; Null hypothesis: There is no association between an individual sex and the…

Q: A large group of college students was surveyed and the following information was obtained: 712 saw…

A: Let A is represented by Lady Gaga. B is represented by Arcade fire. And C s represented by Skrillex.…

Q: A survey conducted by the Bureau of Labor Statistics found that 67% of high school graduating class…

A: Let A denotes the student in the high school graduating class went on to college and B denotes…

Q: If the proportion of Hs is .45 out of 50 flips, what is the p-value? Round to three places.

A: We have given that Sample proportion =0.45 Sample size (n)=50 flips  Population proportion p=0.5…

Q: Suppose that in a survey of five-year-olds, 42% liked the letter A, 54% liked the letter B, and 47%…

A:

Q: 72% of Americans said that they plan to travel in 2021, and 9% of those who plan to travelintend to…

A: For example we take 100 Americans 72% of Americans said that they planned to travel in 2021, 72% =…

Q: If five out of every eight trick-or-treaters that came to your house last Halloween were dressed as…

A: GIVEN: 5 out of every 8 trick or treaters that came to your house were dressed as cowboys.

Q: A radio talk show host with a large listening audience is interested in the proportion p of adults…

A: Given, A radio talk show host with a large listening audience is interested in the proportion p of…

Q: C1. A computer spam filter is 98% effective at sending spam emails to my junk folder, but will also…

A: Solution

Q: Suppose Maureen turns in a late vote for giraffe.What is the new ratio of giraffe votes to rabbit…

A: Suppose Maureen turns in a late vote for giraffe.

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.