At a local Dunkin'donuts, a survey showed that out of 1280 customers eating lunch, 640 ordered coffee with their meal. What percent of customers ordered coffee?

Q: A public health unit in Ontario collected mosquitoes in several areas to test for West Nile virus.…

A: If ratio are given in m:n in positive and negative samples of total is r. then xy=mn then x=myn and…

Q: Given the following data, Number of patients positive for VDRL is 56. Total number of patients is…

A: We have given that,  Number of patients positive for VDRL (X) = 56 and Total number of patients (N)…

Q: In what percent of their games would you expect the Dodgers to score more than 7.31 runs?

A: Given: Distribution of games is symmetric, unimodal and bell-shaped.

Q: If 42% of students have a dog , 23% of students have a cat and 3% have a cat and a dog. What percent…

A:

Q: The hockey team won 8 out of their first 14 games. At the Same Rate, how many games should they…

A: We can find the answer as below.

Q: Nick makes the first quartile salary for an actuary and Dylan makes the first quartile salary for a…

A: From the given box plot:   First quartile for CPA salary= $35,000   First quartile for Actuary…

Q: At Roxbury Community College, 7 out of every 10 students take Introduction to Statistics. If there…

A: Given that, At some college 7 out of every 10 students take introduction to statistics. Formula:…

Q: A soccer team won 24 of 36 games in the first season. If the team had the same ratio of wins to…

A:

Q: if i have a 73.8 average in math, and I get a 30% mark in my last test, what we

A: Introduction: a number obtained by multiplying two or more quantities and then dividing the total by…

Q: Raina ran for president of the chess club, and she received 39 votes. There were 65 members in the…

A:

Q: A donut store sells packages store have for sale?

A: Introduction: A function is a method or a relationship that connects each member 'a' of a non-empty…

Q: for a sport radio show, you are asked to research the question whether more home runs are hit

A:

Q: Among survey respondents who thought the economy was getting better, what fraction were Democrats?…

A: Given -   Better Same Worse Total Republican 38 104 44 186 Democrat 12 87 137 236 None 21…

Q: A local radio station surveyed 200 students from one high school to determine their favorite music.…

A: Given Data: P(Rock music)=0.45 P(Rap Music)=0.35 P(Country Music)=0.2   n=3000

Q: Jenna works at a local sports bar and is interested in whether the percent tip she will receive is…

A: The variables of interest in this question are: The percent tip received. Number of drinks ordered…

Q: . The Smith family went to dinner at a restaurant and had a total bill of $ 120. If they left a tip…

A:

Q: n 2015, the median family income in the United States was $66,650. (Source: U.S. Census Bureau) If…

A: It is given that the median family income in the United States is $66,650.

Q: For a particular event, 796 tickets were sold for a total of $3120. If studnets paid $3 per ticket…

A: Let, The number of student tickets sold is x. So, Total cost = $3x The number of non-student tickets…

Q: Two HR managers ranked the 12 entries to hire executives for operations department of a hospital is…

A: We have given ranks by two HRs and we have to find how much they are agree or disagree with each…

Q: At Roxbury Community College, 7 out of every 10 students take introduction to Statistics. If there…

A: given data  N = 2500 students total in college  7 out of every 10 students take introduction to…

Q: According to the AAA Foundation for Traffic Safety, there were 1,300 incidents of road rage in 1991.…

A: Given : In the year 1991 , the number of road rage incidents = 1300 By 1995 the road rage incidents…

Q: On four exams,Wallace's grades were 79,93,91 and 68. what grade must he obtain on his fifth exam to…

A: Let Wallace's grade in the 5th exam be x.

Q: The test statistic for the rhino data, x^2= 3.85, suggests that:

A: Given that, The test statistic for the rhino data, x^2= 3.85,

Q: The chart shows the percent of people that use each different type of browser. If 8,000 people were…

A: To Determine: how many selected chrome? Given: we have 8,000 people were surveyed. Explanation: we…

Q: There are 75 students enrolled in American History.  If 60 of the students enrolled are also…

A: Given that: There are 75 students enrolled in American History.  If 60 of the students enrolled are…

Q: A recent survey showed that in a sample of 100 elementary school teachers, 15 were single. And a…

A: Given information: In a sample of survey, 15 elementary school teachers out of 100 are single and 36…

Q: The high tech industry claims that women have the same chance of being hired as men. If this is so,…

A: In this question, we need to find the expected number of company to have 11 or more female…

Q: In a poll of 2600 adults in a certain country, 1742 of the adults said that they had online access…

A:

Q: An investor bought common stock of Blackstone Company on several occasions at the following prices.…

A: The following table provide the price and corresponding number of share is given by:

Q: During a week in September 2009, the Nielsen ratings for Family Guy were 8.1/12 which means 8.1 out…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A new company president is said to have caused the company "to do a 180." Before the new president,…

A: As we are aware that ‘to do a 180’ means turning around or taking a U-turn. In corporate world it…

Q: An airline food service found that a recent flight of 120 passengers ordered dinner as depicted in…

A:

Q: All of the 1,020 students at a local high school must enroll in a foreign language course. If 269…

A: The detailed solution is given in the next step.

Q: In a city of 45,000 homes, a survey was taken to determine the number with Wi-Fi access. Of the 500…

A: Here in a city there are 45000 homes  i.e. N = 45000 500 homes are surveyed, 300 had wifi access…

Q: A recent survey reports that 22% of students take the bus to campus. If 660 students commute to…

A:

Q: Lastly find two customers who set a favorite menu items on the equivalent or equal.

A: Explanation are as follows

Q: Of 200 people who purchased home computers from a national company, 44 received machines with…

A: Find the rate of defective

Q: The property managers of Oakridge Apartments recently oversaw the installation of a new swimming…

A: Out of 100 residents 82 were satisfied

Q: In a poll of 2300 adults in a certain country, 1426 of the adults said that they had online access…

A: In a poll of 2300 adults in a certain country, 1426 of the adults said that they had online access…

Q: If you eat one quarter of a pizza and your dog eats one eight of it, what percent is left over?

A:

Q: A survey found that 31% of Americans watch the fireworks on the 4th of July from their TV. If 20…

A:

Q: Twenty percent of anthropology majors were offered a starting salary greater than .

A: Given that  Mean = M = 39269 Standard deviation = SD =2550 X ~ Normal ( M = 39269 , SD = 2550 )

Q: A survey shows that 3 out of 4 of those drink coffee in a town with a population is 7900 adults how…

A:

Q: Three-fourth of the students in the class have an average IQ of 120 and the rest have an average IQ…

A:

Q: At a local dunkin donuts a survery showed that out of 1060 customers eating lunch 318 ordered coffee…

A: Probability: The ratio of the number of favorable outcomes to certain event and total number of…

Q: A chess club with 40 members is electing a new president. Deshaun received 36 votes. What percentage…

A:

Q: Students surveyed boys and girls separately to determine which sport was enjoyed the most. After…

A:

Q: she will need?

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.