ccording to M&Ms; Web site, ach package of the milk chocolate candics typiczally

Question

ccording to M&Ms; Web site, ach package of the milk chocolate candics typiczally cotain 14% h own, l 3% red, 14% yellow, 16% g con 24% blue and 20% or ge M&Ms.; Yoople the store and buy a standard-sized package When you open it, you find that it coniains $1 M&Ms; distributed as follows Color Frequency471 Brown Red Yellow Green BlueOringe 14.1.1 The variable color is a, discrete b. continuous c, quantitative. 14.1.2 Over the long run, you know that the probablity of selexting a blue or an orange M&M; will be 44% because these outcomes are a discrete b. disjoint. c, finite d. None of the choices are correct 15. A groop of college DJs surveyed studonts tr find out what music to plan for their upcoming parties. Thirty percent of the students preferred dubstep, 25% of the students liked trance music, and 20% wanted to hear only house naisie. Fifteen percent ofthe respondents selected both dubstep and trance. The proportion of students that proferred cither dubstep or trance is calculated by b. P(A)+ P(B) PIA and B) c. P(A) + Pi B)-P(A and B). d. None of the choices are coroct

Explanation / Answer

Q 14

14.1.1 Answer: The variable Color is discrete

14.1.2 Answer: disjoint ( the milk chocolate candies are either blue or orange. there is no candy which have both colors blue and orange)

Q 15

A - dubstep - P(A) = 0.30

B- Trans music - P(B) = 0.25

C- House music - P(C) = 0.20

P(A and B) = 0.15

P(A or B) = P(A) +P(B) -P(A and B) = 0.30+0.25-0.15 =0.40

Answer: option C)

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