Data generating code (DGC): It consists of first non- zero digit and the last tw
ID: 3312487 • Letter: D
Question
Data generating code (DGC): It consists of first non- zero digit and the last two-digits of your K-ID. Please write down your three digits DGC here: DGC 2.1. (TATTOOS MAY LOOK UGLY IN OLD AGE) Question for this company and 85 of the males have ( a) is a female? ong 250 employees at a Yratoo Compary, a total of 130 have tattoos. There are 150 males 50 males working tattoos (I ) What is the probability that an employee selected at random: while ( b ) has a tattoo? Fig 2.1. Tattoo artist (c) is a female and has a tattoo? (d) is a male and does not have a tatto0? (e) is a male or has a tattoo? (f) is a female or does not have a tattoo? (II) (a) Assume we selected a female from the company, what is the probability she has no tatto? (b) Assume we selected a male from the company, what is the probability he has a tattoo? (c) Are having a tattoo and the gender of the employee independent? Explain.Explanation / Answer
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N = 250
Males = 150
Females = 100
85 males have tattoos, 45 females have tattoos
a) P(female) = 100/250 = 0.4
b) P(has tattoo) = 130/250 = 0.52
c) P(female and a tattoo) = 45/250 = 0.18
d) P(male and no tattoo) = 65/250 = 0.26
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