?? https://www.mathxl.com 21 Spring 2018 MATH 1680.170 briana wade & Quiz: Chapt

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?? https://www.mathxl.com 21 Spring 2018 MATH 1680.170 briana wade & Quiz: Chapter 5 Review Quiz This Question: 1 pt 2 of 18 (17 complete) Thi According to a poll, about 14% of adults in a country bet on professional parts (a) through (e). sports. Data indicates that 45.6% of the adult population in this co (a) Are the events "male" and 'bet on professional sports mutually exclusive? Explain. O A. O B. O c. Yes. A person cannot be both male and bet on professional sports at the same time Yes. A person can be both male and bet on professional sports at the same time. No. A person cannot be male and bet on professional sports at the same time. D. No. A person can be both male and bet on professional sports at the same time. (b) Assuming that betting is independent of gender, compute the probability that an adult from this country selected at random is a male an sports. P(male and bets on professional sports)- Type an integer or decimal rounded to four decimal places as needed.) (c) Using the result in part (b), compute the probability that an adult from this country selected at random is male or bets on professional s P(male or bets on professional sports)- Type an integer or decimal rounded to four decimal places as needed.) d) The poll data indicated that 8.2% of adults in this country are males and bet on professonal sports what does this indicate about the O A. The assumption was incorrect and the events are not independent O B. The assumption was correct and the events are independent (e) How will the information in part (d) affect the probability you computed in part (e)? Select the correct choice below and fill in any answe choice. O A. P(males or bets on professional sports) (Type an integer or decimal rounded to four decimal places as needed.) This information does not affect the probability computed in part (c) O B.

Explanation / Answer

Solution:

a) D. No. person can be both male and bet on professional sports at the same time.

b) P = 0.14*0.456
= 0.0638

c) P = 0.14+0.456-0.0638
= 0.5322

d) A. the assumption was incorrect and the events are not independent

( 0.82 not equal to 0.0638)

e) P(Male or bet on professional sports) = 0.14+0.456 - 0.082

= 0.514

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