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Author Question: Tickets for an upcoming concert are sold out but a local charity is having a raffle and the prize is ... (Read 382 times)

DyllonKazuo

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on: Jul 24, 2018
Tickets for an upcoming concert are sold out but a local charity is having a raffle and the prize is a pair of tickets to the concert. One hundred people enter the raffle, so each individual who entered has 1/100 probability of winning the pair of tickets. You and a friend both entered. What is the probability that one or the other of you wins the tickets?
 a. 1/100
  b. 2/100
  c. (1/100)(1/100)
  d. 2/100 - (1/100)(1/100)

Question 2

In a survey of n = 950 randomly selected individuals, 17 answered yes to the question Do you think the use of marijuana should be made legal or not? A 95 confidence interval for the proportion of all Americans in favor of legalizing marijuana is
 a. 0.150 to 0.190
  b. 0.146 to 0.194
  c. 0.142 to 0.198
  d. 0.139 to 0.201


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todom5090

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Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

B


DyllonKazuo

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  • Posts: 565
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

frankwu0507

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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