There are 150 flights expected to take off or land within one day at the planned Pickering airport. If 92% of the flights are expected to be on time, how many flights are unlikely to be on time?

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

A: Simplify to get the answer.

Q: At a drug rehab center 23% experience depression and 38% experience weight gain. 12%

A: Given That, Let 'A' represent patient Experience depression          P(A)=0.23 Let 'B' represent…

Q: Find the proportion of employees who take at least three personal days.

A: Given : Let random variable "X"  represent the number of personal days the employees take in a year…

Q: How many patients were lost to contact?

A: The given table shows the year of death, year of last contact, time and number at risk, number of…

Q: 3. In a Gallup Pool, 52% of 1038 surveyed adults said that second hand smoke is "very harmful". What…

A: Following information is given:   Total number of people survey = 1038 Percentage of people who said…

Q: 104 concert-goers at the Glass House in Pomona, California were asked if they know how to play an…

A: Here it is given that- Number of concert goers  = 104 Number of concert goers who can play an…

Q: 13. If 27 out of 30 people passed a driving test, what percent failed?

A: Given Total people = 30 Passed people= 27 So ,failed people= 30-27 = 3

Q: A Sample of 25 cities have been classified as high or low on their homicide rates and on the number…

A: The formula for chi-square is, χ2=∑fo-fe2fe In the formula fo is the observed frequency, fe is the…

Q: How many selected cities have values under 11,508,260? (Compare your answer to the table to be sure…

A:

Q: If the pipette is set to dispense 200 microliters, what percentage of time will it dispense greater…

A:

Q: 41 percent of young adult males play video games. 39 percent of young adult males have a full-time…

A: It is given that, 41% of young adult males play video games i.e. P(young adult pay video games) =…

Q: A company manufactures eyeglasses for different retailers. In March 2010, they tested to see how…

A: The random variable is the number of lenses that were scratched. Here, n=21 and p=0.175.

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: What percentage of buyers paid between $14,500 and $16,000? %

A: Here Given Figure for the Normal distribution with  Mean=μ=$16,000σ=$ 500

Q: In a village actually invaded by anthrax, 65% of the gouts were attacked and 90% have been…

A:

Q: requires

A:

Q: d) What proportion of people leave Vegas having lost between $200 and $800 (for a given year)?

A: (d) Obtain the Z-score for the random variable X equals 200. The Z-score for the random variable X…

Q: Suppose in a single month a certain baseball team won 3 games and lost 21 what percentage of the…

A:

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: 35% of a sample of employees are vaccinated.if 390 are not vaccinated, how many are vaccinated

A:

Q: What percentage of students guessed between 41 and 44

A:

Q: A survey reported that 10% of 1800 employees favored a new insurance program. How many employees…

A:

Q: In his may 17, 2010 OP-ed column in THE NEW YORK TIMES Bob herbert noted that the dropout rate for…

A: In order to check whether the number one is reasonable or not, take the reference from the site to…

Q: a nutritionist wishes to determine, within 3% the true proportion of adults who do not eat lunch. if…

A:

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: Mary ann,hazel,and analyn want to know what numbers can be assigned for the frequency of heads that…

A: Three coins are tossed :  When 3 coins are tossed, the possible outcomes are HHH, TTT, HTT, THT,…

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

A:

Q: researcher surveys a sample of n = 20 college students and asks each person to identify their…

A: Given Information:   n = 20 students

Q: It was recently estimated that uninsured vehicles outnumber insured ones by about seven to six. If…

A: as per information : uninsured vehiclesinsured vehicles=76 assume  No of uninsured vehicles=7x No of…

Q: A pollster wishes to estimate the true proportion of US voters who oppose capital punishment. How…

A: Given information Error = 3.5% = 0.035 Confidence level = 0.90

Q: The Arizona Department of Transportation wishes to survey state residents to determine what…

A: Suppose p̂ is the sample proportion of the population, who would like to increase state-wide…

Q: (a) Is purchasing music online independent of the consumer's age? Use a = 5%.

A: In this context, the aim is to test whether the purchasing music online is independent of the…

Q: What percent of students take exactly one courses? %

A: HerecI HAVE COMPLETED ENTIRE TABLE JUST FOR YOUR INFORMATION

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 a survey at a local university 52% of students say that they less than the recommended eight…

A: The problem concerns working out the percentages and interpreting .

Q: 256 math majors were asked whether they had completed theirscience requirement, and 97 said "yes".…

A:

Q: During the course of a year, the number of i-Pod shuffles being manufactured went from 75,000 to…

A: To find: The percent of decrease in the number of I-Pod shuffles. Given information: During the…

Q: How many performers earned exactly 1 star?

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

Q: The SAP (Social Amelioration Program) was distributed in 7 barangays of Santo Tomas, with each head…

A:

Q: A survey was conducted on a group of 190 students.

A: Given, a survey was conducted on a group of 190 students. 10 students are taking electrical,…

Q: s comprise 65% of trees in the first orchard and 45% of trees in ards combined. What percentage of…

A: Let the number of trees in the first orchard be x and the number of trees in the second orchard be…

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: (a) What proportion of combined GRE scores can be expected to be over 163.4? (b) What proportion of…

A: mean = 150 s = 8.8

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: It has been reported that the average credit card debt for college seniors at the college book store…

A: Given: Sample size, n = 50 Sample mean,   Standard deviation,

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: Nielsen Media Research surveys TV-watching habits and provides a list of the 20 most-watched TV…

A:

Q: In a survey of a sample of 1050 teenagers, 17% said they like to watch soccer.

A: Given that  In a survey of a sample of 1050 teenagers , 17% said that they like to watch soccer.…

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…