What percentage of the shoppers have an email account

Q: in the U.S, 37% of households have dogs, 30% of households have cats, and 7% of households have both…

A: Addition rule of probability:Addition rule of probability indicates the happening either of the…

Q: Find the Mean number of the percents 4.38+4.62+4.88+5.02+5.33+6.30

A: Mean is the measure of central tendency. mean of the observations is sum of observations divided by…

Q: A doctor ordered 4 separate blood tests to measures a patient’s total blood cholesterol levels. The…

A: Given :A doctor ordered 4 separate blood tests to measures a patient’s total blood cholesterol…

Q: 70  guests at a hotel called for room service and 255 guests did not call for room service. what is…

A: Given that the total number of guests called for room service  = 70           Total number of guests…

Q: Records show that 13% of all college students are foreign students who also smoke. It is also known…

A: Conditional probability- It is known a sample space consists of all probable outcomes of an…

Q: What percent of these mothers are between the ages 30 to 35. What percent of these mothers are less…

A: Let X denote the ages of multiple-birth mothers. Given that X follows N(mean = 31.7, SD = 5.2), then…

Q: The box plot shows the ages of people at a movie screening. What percent of the people are between…

A: Given: The number of people under the ages of 20 to 37 is 17

Q: On a hockey team, there are 14 players. The captain of the team scored on the team, and less than…

A: Given : There are 14 players Captain of the team scored 35 goals last year, which is more than 10…

Q: One month is what percentage of a year, given that there are 7 days in a week, 4 weeks in a months…

A: One month is what percentage of a year,  given that there are 7 days in a week, 4 weeks in a months…

Q: A survey asks: Which online services have you used in the last month: • Twitter • Facebook • Have…

A: Formula : P(A u B) =  (P(A) + P(B) - P(A n B)

Q: Represent it by a suitable percentage diagram.

A: ANSWER The percentage values are converted into degree values using the following formula. Degree…

Q: The higher education department of Holmes Institute recorded data on the number of students enrolled…

A:

Q: ● ● (2) Make a frequency table to show the frequency with which you chose each response. (3) From…

A: Note: As per guidelines we will only answer the first three subparts, please repost other subparts…

Q: Player Batting Average Player A .295 3 Player B 10 Player C 29% The player with the highest percent…

A: convert batting average into a percentage for player A,  a1=0.295 to convert into a percentage…

Q: 40% of all people have cooties. 30% of all people play pattiecake and have cooties. What percent of…

A: Conditional probability is the chance of occurrence of an event given that another event has already…

Q: A statistics instructor gave a final exam to his class. He recorded how many minutes it took each of…

A: N=population size=50. The time taken by the student to complete the exam are given.

Q: A management survey for a company surveyed 235 employees. 105 of the employees surveyed were…

A: Given, Number of employees= 235 Female employees= 105 Male employee % =?

Q: (G) Boxplot for some data set is shown below, the percentage of the data that lies between 40 and 90…

A:

Q: A university financial aid office wants to estimate how much their students typically spend on…

A: In this case, the entire student body of the university is the population of interest. A university…

Q: In a school band of 24 students, 9 students play brass instruments. What percent of the members pla…

A:

Q: There are 20 fruits in a bowl. And 6 of them are apples. What percentage of the bowl are apples?

A: the formula to find the percentage is  percentage(%)=partwhole×100

Q: A parts store sells both new and used parts. Sixty percent of the parts in stock are used. Sixty-one…

A: Let,P(u)= percentage of used stockP(d)=percentage of defective stock.P(u U d) = percentage of used…

Q: Cricket’s is a popular club for students from the nearby college. The club had 840 customers during…

A:

Q: A long distance race begins with 28 runners from Team A and 28 runners from Team B. 4 runners from…

A: We have to solve given Questions.

Q: 22 Legacy boys and 19 Legacy girls play flag football. 30 Legacy boys and 32 Legacy girls…

A:

Q: A country has a population of 62 million. (a) Last year, there were 23,085 traffic fatalities. Find…

A: Given that, Population n = 62 million. For 62000000 population, fatility = 23085

Q: There were 34 females that weighed over 250 pounds. What percent of females aged 20 to 29 weighed…

A: Given data,  N~(161.61,48.95)  i.e., μ=161.61σ=48.95   If n=34 P(X>250)=?

Q: Rick checked the prices of several soccer balls. These are the different prices he found. $10.50,…

A: Given: Data $10.50, $14.95, $16.00, $12.95, $18   Definition: The median refers to the middle data…

Q: Find the percentile rank of a test score of 76 for the data set 70,73,68,83,78,80,89,88,65   FULL…

A: Given data is70,73,68,83,78,80,89,88,65

Q: The sales force at a certain company successfully closed 96 out 200 sales calls

A: It is given that, The salesforce at a certain company successfully closed 96 out of 200 sales calls.…

Q: Fifty students were surveyed and asked if they are taking a gym class and if they play an…

A: Total number of students is equal to 50

Q: A veterinarian treated 7 dogs this morning. The list below gives the weights (in pounds) of each…

A: Given data 52, 24, 5, 72, 49, 52, 9

Q: (a) Find a point estimate for the proportion of cell phone owners aged 18-24 who have an Androld…

A: It is given that Sample size n = 245 Number of cell phone owners with Android phone, X = 106

Q: You have a bag of marbles that contain 292 green, 239 red, 76. Blue, and 209 yellow ones. What is…

A: You have a bag of marbles that contain 292 green, 239 red, 76. Blue, and 209 yellow ones. What is…

Q: Marasigan is a veterinarian. One morning, she asked her secretary to record the Customers. The…

A: Given that  The service time in minutes  20, 35, 55, 28, 46, 32, 25, 56, 55, 28, 37, 60, 47, 52, 17…

Q: A city in California spent $14 million repairing damage to its public buildings in 2017. The…

A: Solution: From the given information, a table of categories where the money was directed is The…

Q: Julia ordered a set of beads. She received 90 beads in all. 36 of the beads were blue. What…

A: The total number of beads is 90.

Q: Jason reads a report that says 80% of U.S. high school students have a computer at home. He believes…

A: Given- p=claimed proportion =80%=0.8   and   n=sample size=60 To check- The conditions are satisfied…

Q: Mary is participating in a 6-day cress-country biking challenge. She biked for 60, 51, 62, 63, and…

A: According to the question, 60+51+62+63+54+x6=59                    x = 64

Q: Find the point estimate for the population proportion.             A Southern student wants to know…

A: It is given that the sample size (n) is 888 and the number of people spoke 2 or more languages is…

Q: A veterinarian recorded how many kittens were born in each litter. This data is summarized in the…

A: A histogram is a graphic representation of data that uses bars of various heights. Each bar in a…

Q: 2400 people attended a basketball game. 696 of the people attending supported the home team, while…

A:

Q: The hair colours of 100 men, 94 women and 66 children were collected during a survey. What…

A: There are total 100+94+66=260 people. out of which total 4+9=13 people are with grey/white hair.…

Q: how many classes are there and what is the class width? what is the what is the percentage of…

A: From the given frequency table find # classes = ? width =? x =# of hours played video game P(…

Q: The NBA commissioner wishes to know how many hours per day NBA players watch TV. He sampled the…

A: Given data, 4,2,6,1 Find the sample mean and sample standard deviation?

Q: Abdul is participating in a 6-day cross-country biking challenge. He biked for 44, 49, 59, 45, and…

A:

Q: Find the probability of selecting either a non-smoker or a woman when you select a person at random…

A:

Q: What percentage of bookcases in the example are large? Large constitute: ______ %

A:

Q: survey asks: Which online services have you used in the last month: • Twitter • Facebook • Have used…

A:

Q: Complete the table and determine what percent of the people have exactly zero sibling(s)?

A: Here it is given that , 210 people are asked how many siblings they have. So it means that , you're…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.