If a study determines the difference in average salary for subpopulations of people with blue eyes and people with brown eyes is NOT significant, then the populations of blue-eyed people and brown-eyed people are ________ different salaries. a) unlikely to have b) very unlikely to have c) guaranteed to have d) guaranteed to not have

If a study determines the difference in average salary for subpopulations of people with blue eyes and people with brown eyes is NOT significant, then the populations of blue-eyed people and brown-eyed people are ________ different salaries. a) unlikely to have b) very unlikely to have c) guaranteed to have d) guaranteed to not have

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Description: If a study determines the difference in average salary for subpopulations of people with blue eyes and people with brown eyes is NOT significant, then the populations of blue-eyed people and brown-eyed people are ________ different salaries. a) unlik

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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3. Number of Responses 800 600 JE 400- 200- 0+ Not at all likely Very unlikely Unlikely Neutral A) mode = 3 B) median = 3 C) mean < median D) 2 < mean < 5 Likely Very likely Response Definitely 4. Liam is conducting a market research study to determine the effectiveness of advertisements on social networking sites. He surveyed a randomly selected group of 2,000 young adults on how likely they are to purchase from a company based on its advertisements on social networking sites. Respondents rated their likelihood to purchase on a scale from 1 to 7, with 1 being "Not at all likely" and 7 being "Definitely." The results are summarized in the bar graph above. Which of the following state- ments is NOT true based on the survey results?
A survey of people who attended the Mombasa New Year celebrations at Mombasa villageyielded the following results:120 were women150 spoke Swahili170 were married108 of the men spoke Swahili100 of the men were not married18 of the non-Swahili-speaking women were married78 non-Swahili-speaking men were not married30 of the women who spoke Swahili were marriedRequired(i) Represent this information on a Venn diagram.(ii) How many people attended?(iii) How many of those who attended did not speak Swahili?(iv) How many women were not married?(v) How many of those who were married were Swahili-speaking men?
In a sample of 15 boxes (each contains 40 bottles) of mineral water, the chemist found out that 2, 3, 4, 2, 6, 3, 5, 4, 4, 3, 6, 2, 1, 0 and 5 bottles respectively are contaminated. Determine the a) median number of bottles b)modal value of bottles
The state Department of Natural Resources is considering lowering the bag limit on Walleyed Pike on Mud Lake and wants to know how such a decrease will affect the number of people fishing on Mud Lake. Which of the following samples is most likely to provide the necessary information?A) A random sample of all fishermen in the stateB) A random sample of people currently living in the county containing Mud LakeC) Interviewing all the fisherman on the lake each Saturday in JulyD) Interviewing all the resort owners on Mud Lake
Your group is expected to interview at least 40 random persons about their preference for shopping online and whether they would be interested in such services. Record the following for each respondent: Age Gender Whether they go shopping at the supermarket/pharmacy. How many times they shop at the supermarket/pharmacy per month. Would they be interested in purchasing items from the supermarket/pharmacy online or through a mobile application? Would they be willing to pay a subscription fee to utilize this service? If yes what is the maximum fee that they would be willing to pay. The amount of money they are willing to pay to have the goods delivered to them. In the absence of a subscription fee or delivery fee, would they be willing to pay a marginally higher price for the good purchased online? If yes, what percentage would be reasonable [group in the following way: less than 1% higher, 1% - 5% higher, over 5% higher] Respondent Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 1 28 F YES 3 NO NO $5…
3) Let following be the genders of people waiting in a sequence of queue to purchase movie tickets: MFM F MFFF M F MFM F M M M МЕMFFM F. Test whether males and females take their place at random in the queue.
The biggest cause of inventory loss, called shrinkage, is shoplifting, followed closely by employee theft. In one study, the nine countries with the highest shrinkage rates, measured in the dollar amount lost for every $100 in sales, are as follows. Country South India Russia Morocco Africa Brazil Mexico Thailand Turkey ShrinkageRate ($) 2.36 1.76 1.72 1.71 1.69 1.62 1.62 1.61 Let A denote the set of countries that have a shrinkage rate greater than $1.65, let B be the set of countries that have a shrinkage rate between $1.65 and $1.73, and let C be the set of countries that have a shrinkage rate less than $1.70. Find the following sets. (Let I represent India, R represent Russia, M represent Morocco, S represent South Africa, B represent Brazil, X represent Mexico, H represent Thailand, and T represent Turkey. Enter your answers using roster notation. Enter EMPTY or ∅ for the empty set.) (a) A, B, and C A = B = C =…
Which of the following is the appropriate conclusion?A) There is insufficient evidence that the mean number of sets they played in their fourth year of competition is higher than the mean number of sets they played in their first year of competition. B) There is sufficient evidence that the mean number of sets they played in their fourth year of competition is higher than the mean number of sets they played in their first year of competition. C) There is sufficient evidence that the mean number of sets they played in their fourth year of competition is the same as the mean number of sets theyplayed in their first year of competition. D) There is sufficient evidence that the mean number of sets they played in their fourth year of competition is the same as the mean number of sets they played in their first year of competition.
1 c) A population is the collection of all items of interest in a particular study. True False
Using the pigeonhole principle Assuming no one has more than 1,000,000 hairs on the head of any person and that the population of Manila was 11,621,500 in 2009, there had to be at least _____ people in Manila in 2009 with the same number of hairs on their heads.
Suppose a, b, c, d, e, f are data set of nonnegative integers such that the midrange is5 and the mean is 6. Find all the possible median of the given data set that satisfiesthe following:i) the mode is a bimodal,ii) the lowest value is unique, andiii) the highest value is unique.
There were 550 people registered for a conference. There were only three sessions, whichwere held at different times during the day. No session times conflicted with any othersession time. A post-conference survey that the attendees completed showed that:❖ 500 people attended Session A❖ 450 people attended Session B❖ 425 people attended Session C❖ 400 people attended both Sessions A and B❖ 410 people attended both Sessions B and C❖ 415 people attended both Sessions A and C❖ 390 people attended all three sessions A, B, and CFor the following questions, you may create a Venn Diagram at the bottom or showyour calculations to explain your reasoning.a) How many people attended none of the three sessions? Explain. b) How many people attended Session A but not Sessions B or C? Explain. c) How many people attended exactly two sessions? Explain.