Customer Andy Betty Cindy David Ellen Age 36 21 63 59 24 Income (k) 35 50 200 170 40 Frank 37 50 /ho is the closest neighbor of Frank? No. credit cards st 2 1 1 4 3 Respons No Yes Yes No Yes 2
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- Theaveragestartingsalaryforthisyear'sgraduatesatalargeuniversity(LU)is$20,000withastandarddeviationof$8,000.Furthermore,itisknownthatthestartingsalariesarenormallydistributed.a.WhatistheprobabilitythatarandomlyselectedLUgraduatewillhaveastartingsalaryofatleast$30,400? b.WhatistheprobabilitythatarandomlyselectedLUgraduatewillhaveasalaryofexactly$30,400? &.Individualswithstartingsalariesoflessthan$15600receivealowincometaxbreak.Whatpercentageofthegraduateswillreceivethetaxbreak? d.If189oftherecentgraduateshavesalariesofatleast$32240,howmanystudentsgraduatedthisyearfromthisuniversity?Theaveragestartingsalaryforthisyear'sgraduatesatalargeuniversity(LU)is$20,000withastandarddeviationof$8,000.Furthermore,itisknownthatthestartingsalariesarenormallydistributed. a.WhatistheprobabilitythatarandomlyselectedLUgraduatewillhaveastartingsalaryofatleast$30,400? b.WhatistheprobabilitythatarandomlyselectedLUgraduatewillhaveasalaryofexactly$30,400? c.Individualswithstartingsalariesoflessthan$15600receivealowincometaxbreak. Whatpercentageofthegraduateswillreceivethetaxbreak? d.If189oftherecentgraduateshavesalariesofatleast$32240,howmanystudentsgraduatedthisyearfromthisuniversity?The television show CSI: Shoboygan has been successful for many years. That show recently had a share of 19, which means, that among the TV sets in use, 19% were tuned to CSI: Shoboygan. An advertiser wants to verify that 19% share value by conducting its own survey, and a pilot survey begins with 12 households have TV sets in use at the time of a CSI: Shoboygan broadcast.
- Canadian Blood Services is a not-for-profit organization that collects nearly one million units of blood per year. About 6% of people have O-negative blood. They are called universal donors because O-negative blood can be given to anyone, regardless of the recipient’s blood type. Suppose that 27 blood donors arrive at one of this organization’s donation centers.5) DONT REJECTLast year 46% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year indicated that 35% plan to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 60 business owners. How many business owners in the survey plan to provide a holiday gift to their employees this year?
- 5 sdasgfsedgvrgsdFacebook Facebook reports that 70% of its users arefrom outside the United States and that 50% of its userslog on to Facebook every day. Suppose that 20% of its users are U.S. users who log on every day. Make a prob-ability table.Last year, 41% of business owners gave a holiday gift to their employees. A survey of business owners conducted this year indicates that 32% planned to provide a holiday gift to their employees. Suppose the survey results are based on a sample of 55 business owners. How many business owners in the survey planned to provide a holiday gift to their employees this year?
- A team of 8 softball players need to choose 3 players to refill the water cooler Permutation CombinationThe television show NBC Sunday Night Football broadcast a game between the Coltsand Patriots received a share of 22, meaning that among the TV sets in use, 22% were tuned to thegame (based on Nielson data). An advertiser wants to obtain a second opinion by conducting itsown survey, and a pilot survey begins with 33 households having TV sets in use at the time of thatsame NBC Sunday Night Football broadcast.Find P(X≤6)=?A group of students was surveyed to find out their preferred dish, the following information was obtained: 594 liked pizza, 784 like fried rice, 796 liked lasagna, 200 liked all three dishes 60 liked none, 54 liked only lasagna, 522 liked fried rice and lasagna, and 100 liked pizza and fried rice but not lasagna.i. Find the number of students that liked only fried rice ii. Find the number of students that like only pizzaiii. Find the number of students that were interviewediv. Find the percentage of students who liked one dish onlyv. Find the percentage of students who liked at least dish
