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A study released by the governor’s office stated that 60% of the state residents support a...

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Statistics

  1. A study released by the governor’s office stated that 60% ofthe state residents support a higher penalty for driving underinfluence. John thinks the number is low, so he decided to conducthis own survey. He interviews 100 people and find that 75% supporta higher penalty for driving under influence. Identify thefollowing: (1pt each)

- Sample:

- Population:

- Statistic:

- Parameter:

2. A bag contains 5 colored marbles, 3 red and 2 blue. You wantto pick three marbles, one at a time from the bag. The sample spaceof this experiment is as followed:

S = {RRR, RRB, RBR, BRR, BBR, BRB,RBB}

We define the following event:

A – No pick is red

B – Exactly two picks are Red.

C – The second is Blue.

D – Exactly two Blue.

a. Is A and B disjoint ornon-disjoint? (2pts)

b. Is C and D disjoint ornon-disjoint? (2pts)

3. A carnival game has bag that contains four different coloredballs. There are four blue balls, three red balls, two orangeballs, and one purple ball. You pay $5 to reach in and grab onecolored ball from the bag. If you pick a blue ball you win $10, ifyou pick a red ball you win $20, if you pick an orange ball you win$50, and if you pick a purple ball you win $100. What is yourexpected gain if you play this game? (3pts)

Answer & Explanation Solved by verified expert
4.2 Ratings (663 Votes)
1SampleThose 100 people who were interviewed by John constitutes thesample herePopulationResidents of that    See Answer
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