A survey of American households found that 1/4 had a land line, 7/12 had cable, and 1/3 had neither. What proportion had both a land line and cable?

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: 3. The front row of a movie theatre has 23 seats. If you were asked to sit in the seat that occupied…

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: urvey asked a group of adults and youths if they prefer reading books printed o per or electronic…

A:

Q: 1. A local news report claims that 40% of the vehicles on the freeways are vans or SUV's. You go to…

A:

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: In an experiment for a new drug, to determine the most effective dose and method of administration,…

A: Combination of factor at known as treatment.

Q: 5. Several college students are surveyed about their college location and preferred locations for a…

A: Given  total number of students who prefer beach are 91. Total number of students who prefer skiing…

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: A survey of Hoosiers found that 57% are Pacers fans, 44% are Colts fans, and 35% are Pacers fans but…

A: Let P= Pacer fans  C= Colt fans So, P(P)= 57% = 0.57  P(C)=44%=0.44 So, 57% - 35%=22%= 0.22 are…

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: c)   If the scientists want to estimate the proportion of deer that carry Lyme disease ticks to…

A: We have given that,  Margin of error (E) = 0.02 and confidence level = 90% Then,  We will find the…

Q: Rayann conducted a survey of the cars in four parking lots and wrote the following observations: 15…

A:

Q: When doing a hypothesis test for the following, which formula would you use for the test statistic…

A: Testing of hypothesis: It is used when some information is available about the population, and we…

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

A: To calculate the percentage error

Q: ) 26. Use proportion method to determine the nature of association between A and B: 30 20 50 B. 50…

A:

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: A researcher surveyed 80 randomly selected Certified Public Accountants in each of the cities in…

A: The 2*4 contingency table is given. There are two categorical variables are Free Work and Cities. We…

Q: a. What percentage of Illinois Math SAT takers seored 600 or more? b What percentage of Illinois…

A: Solution: Given: Population mean = μ = 556 Standard deviation = σ = 100 a) We have to find…

Q: Suppose that in a survey of five-year-olds, 49%49% liked the letter A, 56% liked the letter B, and…

A: Given that P(A)=0.49 , P(B)=0.56 , P(C)=0.53

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: 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: Suppose that a survey of five- year olds, 45% liked the letter A, 51% liked the letterB, and 48%…

A: Given that P(liked letter A)=45%=0.45 P(liked letter B)=51%=0.51 P(liked letter C)=48%=0.48 P(liked…

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: Researchers asked 250 familles whether or not they were homeowners and how many cars they had. Their…

A:

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: Researchers asked 250 families whether or not they were homeowners and how many cars they had. Their…

A: Number of families having two or more cars       = 95 + 85      = 180 So percentage of families…

Q: In a sample of 310 people, 186 completed only high school, 24 completed only some college, 93…

A: Given data A sample of 310 people is given. 186 completed only high school. 24 completed only some…

Q: d been 95% instead of 98%? interval would be ( 274. 406 ). en 500 instead of 200? (Assume the same…

A: Given : 98% confidence interval is (0.262, 0.418). Sample Size, n = 200 Number of…

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: 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: Suppose that in a survey of five-year-olds, 45% liked the letter A, 54% liked the letter B, and 50%…

A:

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: What is the proportion of free apps available in the App store?

A: A survey of Android Apps bought in the App store, indicated that 50% were related to music, 30%…

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: Suppose that in a survey of five year olds, 45% liked the letter A, 51% liked the letter B, and 48%…

A: It is given that, in a survey of five year olds, 45% liked the letter A, 51% liked the letter B, and…

Q: A sample of Reese's pieces contains the following: 30 Orange, 40 Brown, 20 Yellow. What is the…

A: A sample of Reese's pieces contains the following: 30 Orange, 40 Brown, 20 Yellow Total no. of…

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.

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

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.