After being rejected for employment, Kim Kelly learns that the Bellevue Credit Company has hired onlyfour women among the last 19 new employees. She also learns that the pool of applicants is very large,with an approximately equal number of qualified men as qualified women.Help her address the charge of gender discrimination by finding the probability of getting four or fewerwomen when 19 people are hired, assuming that there is no discrimination based on gender.Because this is a serious claim, we will use a strict cutoff value for unusual events. We will use 0.5% as thecutoff value (1 in 200 chance of happening by chance). With this in mind, does the resulting probabilityreally support such a charge?no, this does not support a charge of gender discriminationyes, this supports a charge of gender discrimination

The number of sampled employees, n=19.The number of selected employees that are women is 4.The…

Answered: After being rejected for employment,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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company records for 600 employees show that 120 have been reprimanded more than once and 450 have never been reprimanded. men make up 75% of the employees with more than one reprimand 50% of employees with no reprimanded and 50% of employees with one reprimand. assuming an employee is a woman what is the probablity that she has one reprimand?
4. For the two circumstances below, explain which type of probability (empirical, subjective, theoretical) is being used to make the prediction. If more than one type of probability is involved, explain which elements of the process use which of the methods. a. A scientist studying ants builds an ant farm and maps the routes they travel throughout the course of a week through careful observation. Later the scientist uses these observations to generate an interactive map of a natural environment that lists the probability of finding ants in any given location at a particular time. b. A social scientist studying grocery store accessibility in a city recruits a small sample of study volunteers and interviews them about how far they travel for groceries. The researcher finds in the study that people from higher-income neighborhoods travel significantly less than people from low-income neighborhoods. Using a statistical model, the researcher predicts that their sample has a 95% chance of…
A problem with polling is whether or not people are willing to answer honestly. If a question might be viewed as shameful or embarrassing (about politics, sexual activity, etc.), they may be reluctant to answer honestly. A potential solution to this is the following: let's suppose that 'YES’ is the embarrassing or socially shameful answer. Give the people you are polling the following instructions: flip a coin privately, and if it comes up heads, you must answer honestly. However, if it comes up tails, you must answer 'YES’ regardless of what the truth is. This gives people л plausible deniability about why they answered yes, if pressed. Again, let p, be the fraction of people who said 'YES'. Let p be the probability that a randomly selected person says YES’. Let q be the probability that a person’s true answer is 'YES’. Note л again, we have that the expected value of p,, is p, but we are actually interested in N measuring q.
According to the Chronicles of Contrived Statistics (March, 2016), the probability that scientists from Area 51 will begin selling pet aliens in the next month is 37%. The probability that either Elon Musk will offer you a free trip to space or that scientists will begin sales of pet aliens next month is 44%. Finally, they list that probability of both happening in the next month is 22%. What is the probability that Elon Musk will offer you a free trip into space in the next month?
A research wants to determine if pre-natal exposure to the hormones in birth control pills alters the sex makeup of midshipman fish populations (which are typically half male and half female).Specifically, the researcher wishes to test the hypothesis that exposure to hormones will increase the number of females in the population.The researcher exposes a group of pregnant midshipman fish to birth control hormones and records the sex of the first 9 offspring birthed.They then observe that 7 are female.Use a sign test to test the indicated hypothesis.What is the value of "significance"
If in a population 60% of people own an iPhone, 45% of people own an Android phone, and 37% own both types of phone. Are "owning an iPhone" and "owning an Android" independent outcomes? Cannot tell from the given information. Yes, they are independent. No, they are dependent.
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Please help with #80.
An insurance company found that 2.4% of male drivers between the ages of 18 and 25 are involved in serious accidents annually. To simplify the analysis, assume that every such accident costs the insurance company $62,000 and that a driver can only have one of these accidents in a year. Complete parts (a) through (c). (a) If the company charges $2,600 for such coverage, what is the chance that it loses money on a single policy? P(loses money)= .024 (Type an integer or a decimal.) (b) Suppose that the company writes 1,000 such policies to a collection of drivers. What is the probability that the company makes a profit on these policies? Assume that the drivers don't run into each other and behave independently. P(profit) = .976 (Round to five decimal places as needed.)

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