At a local dunkin donuts a survery showed that out of 1060 customers eating lunch 318 ordered coffee with their meal. what percent of customers ordered coffee?

Q: Find the 75th percentile of the heights, in inches.

A: Let X denote the heights in a population of adult women. Given that X follows N(mean = 62.5, SD =…

Q: Whose paint has a greater ratio of red to yellow?

A: comparing ratios red to yellow

Q: In 2017, 77 out of 100 Americans claimed to have read at least one book during the year. Write this…

A:

Q: Overall, what proportion of the students did not pass the test? Leave your answer as an unreduced…

A: It is been asked to calculate the proportion of students who did not pass the test using the given…

Q: 5. What percent of the sophomores watch TV for at least 15 minutes per night?

A: Following statistics is given for TV time   Minimum = 0 minutes Q1 = 15 minutes Q2 = 60 minutes Q3 =…

Q: In a survey 500 adults were interviewed, 150 said they had early medical checkup. Find the 95% for…

A: Givensample size(n)=500No.of adults said they had early medical checkup(x)=150p^=xn=150500=0.30

Q: All freshmen at Roseville High School are required to play exactly one sport. The table below shows…

A: Solution

Q: In a class with 25 student there are 6 student very talentet in the subject of art. What percentage…

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Q: Solve for the percentile of the following numbers. Then sketch its graph. 1. 30th 2. 52nd 3. 15th 4.…

A:

Q: 5. In a shipment of 750 computers, 75 were found to be defective. What percent of the shipment of…

A:

Q: A researcher wants to find out the number of students he needs to urvey in a school provided that…

A: Given : total no pf students in a school  N=5000 with margin of error e=5%  To find sample size…

Q: In a shipment of 500 light bulbs, 25 of them were broken. What percentage of the light bulbs were…

A: Given ,  In a shipment of 500 light bulbs , 25 of them were broken . We have to find the  percentage…

Q: If 55% of the books have been signed out, what percent of the books have not been signed out?

A: Given that: According to the question, 55 % of the books have been signed out. Signed  out=55…

Q: Suppose in a single month a certain baseball team won 9 games and lost 15. What percent of the games…

A:

Q: In a survey of 1536 adults, 36% responded "yes" to the survey question. How many adults answered…

A: From the provided information, Sample size (n) = 1536 36% responded “Yes” to the survey question.…

Q: When 445 junior college students were​ surveyed, 135 said that they have previously owned a…

A:

Q: n Exton School, 60% of the boys play football and 36% of the boys play ice hockey. Given that 40% of…

A:

Q: A. What was the population in 1850?

A:

Q: Use Table B to answer the following question. 1. What proportion lies to the left of z=2.64?

A: Given that: Z is standard normal Distributed with i.e. mean µ =0 and standard deviation σ =1 By…

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

A:

Q: Find the mean of the 12 sampled ratios. =

A: Mean is defined as the sum of observations divided by number of observations. Number of observations…

Q: Out of 230 racers who started the marathon, 212 completed the race, 14 gave up, and 4were…

A: Given that, there were 230 racers started the marathon.So, 100% is 230.Here 14 gave up and 4 were…

Q: How many males were surveyed?

A: It is given that Total = 516 Number of females = 259 Number of males = 257

Q: 5.) Nick has collected 21 of the necessary 140 parts of the robot he is building. What percent of…

A: We know, percentage = valueTotal value×100

Q: A new bridge reduced the normal 35-minutes travel time between two cities by 14 minutes. What…

A: Given information Original amount of time=35 minutes Reduce amount of time=14 minutes We have to…

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

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Q: if 540 people preferred walking and 900 people were surveyed how many people preferred running.

A: Given,    People preferred walking = 540 people surveyed are 900.   Calculations,    900 - 540 = 360

Q: In a random survey of 1500 adults in California and 1000 adults in Oregon, you found that 228…

A: Given that

Q: Suppose in a single month a certain baseball team won 3 games and lost 21. What percent of the games…

A: Won=3 gamesLost=21 games∴total games =3+21                           =24winning persentage=324*100%…

Q: A footwear retailer sold 12 pairs of sneakers for $45 each, 11 pairs of leather shoes for $140 each,…

A:

Q: A state legislator wishes to survey residents of her district to see what proportion of the…

A: Answer:-  Given, Margin of error=7%=0.07 Confidence level=0.90 Let P=0.5 ( as we don't have sample…

Q: A salesperson purchased an automobile that was advertised as averaging 25 in the city and 40 on the…

A: A salesperson purchased an automobile that was advertised as averaging 25 in the city and 40 on the…

Q: The percentage of buyers who paid between $14,000 and $22,000 is %.

A: Let , X→N(μ=18000 , σ=2000) By  using 68-95-99.7 rule ,  We want to find the P(14000<X<22000)…

Q: In the upcoming election for governor, the most recent poll, based on 900 respondents, predicts that…

A: From the given information, In the upcoming election for governor, the most recent poll, based on…

Q: isha has a remarkable skill with coin-tossing.  Out of ten coin tosses, her coin comes up Heads…

A: Given Information: Aisha has a remarkable skill with coin-tossing. Out of ten coin tosses, her coin…

Q: How many performers earned exactly 1 star?

A: Given: Total number of performers, N = 140 Percentage of performers got 1 star = 15%

Q: On a recent survey, 60% of people said they preferred walking to running. If 540 people liked…

A: Number of people who liked walking = 540 Percentage of people who like walking = 60%

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

A: Instruction : "I only need help with the last 2 please" Given : Total respondents  =651

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

A:

Q: In a Harris poll of 2302 adults, 14% said they have a tattoo. Approximately how many adults have a…

A: Given information- We have given that in a Harris poll of 2302 adults, 14% have a tattoo. We have to…

Q: Which orchard has the highest rate of apples per tree?

A: Here it is given that the three apple orchards and each orchard has a different number of trees and…

Q: (d) What percentage of GMAT scores are between 447 and 747?

A: We have to find out given probabiity..

Q: In a group of 50 children, 11 cannot swim. What percentage can swim?

A: Givenno.of children in a group=50no.of children cannot swim=11

Q: A student answered 78 out of 100 homework questions correctly on the first try. What percent of…

A: Solution-: A student answered 78 out of 100 homework questions correctly on the first try. What…

Q: What percent of those accused were from Haddington county?

A: The total number of accused were from Haddington County is 539.

Q: On a quick survey, respondents had to pick their favorite dessert from ice cream, cake, chocolate,…

A: Fraction of respondents pick ice-cream=25Fraction of respondents pick chocolate=13Fraction of…

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…

Q: To determine the proportion of voters who favor a certain candidate for governor, the campaign staff…

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Q: D. 60 percent of all children spend at least how many hours per day unsupervised? hours.

A: Given that  X ~ N ( μ =  3 , σ = 1.5 ) μ = 3  , σ= 1.5 Formula for Z-score Z = ( X - μ ) / σ

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.