1. A small town has 5600 residents. The residents in the town were asked whether or...

1. A small town has 5600 residents. The residents in the town were asked whether or not they favored building a new bridge across the river. You are given the following information on the residents' responses, broken down by gender: Men Women Total In Favor 1400 280 1680 Opposed 840 3080 3920 Total 2240 3360 5600 A) What is the probability of a randomly selected resident being a Man? B) What is the probability that a randomly selected resident is a Man and is Opposed to the bridge? C) What is the probability of a randomly selected resident being a Woman or Opposed to the bridge? D) If a randomly selected resident is a Man, what is the probability that he is Opposed to the bridge? E) Are gender and opinion about the bridge mutually exclusive events? Why? F) Are gender and opinion about the bridge independent events? Why? Show some "proof" with probabilities. 2. How many Combinations of 3 students can be selected from a group of 9 students? 3. Describe the Sample Space for the experiment of selecting one card from a deck of regular playing cards?

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milcah answered 1 year ago

1. A small town has 5600 residents. The residents in the town were asked whether or...

1. A small town has 5600 residents. The residents in the town were asked whether or not they favored building a new bridge across the river. You are given the following information on the residents' responses, broken down by gender: Men Women Total In Favor 1400 280 1680 Opposed 840 3080 3920 Total 2240 3360 5600 A) What is the probability of a randomly selected resident being a Woman? B) What is the probability that a randomly selected...

. A small town has 5600 residents. The residents in the town were asked whether or...

. A small town has 5600 residents. The residents in the town were asked whether or not they favored building a new bridge across the river. You are given the following information on the residents' responses, broken down by gender: Men Women Total In Favor 1400 280 1680 Opposed 840 3080 3920 Total 2240 3360 5600 A) What is the probability of a randomly selected resident being In a Woman? B) What is the probability that a randomly selected resident...

Each of a sample of 184 residents selected from a small town is asked how much...

Each of a sample of 184 residents selected from a small town is asked how much money he or she spent last week on state lottery tickets. 100 of the residents responded with $0. The mean expenditure for the remaining residents was $20. The largest expenditure was $228. What is the mode of the data? What is the median of the data? What is the mean of the 184 data points?

A researcher claims that the mean age of the residents of a small town is more...

A researcher claims that the mean age of the residents of a small town is more than 32 years. The ages (in years) of a random sample of 36 residents are listed below. At α=0.10, α = 0.10 , alpha equals , 0.10 , comma is there enough evidence to support the researcher's claim? Assume the population standard deviation is 9 years. 41,33,47,31,26,39,19,25,23,31,39,36,41,28,33,41,44,40,30,29,46,42,53,21,29,43,46,39,35,33,42,35,43,35,24,21

Sabrina, Kris, and Kelly are the only three residents of the small town of Charleston. They...

Sabrina, Kris, and Kelly are the only three residents of the small town of Charleston. They are considering whether to hire a police officer to patrol the town. Sabrina values the police officer at $610 per week, Kris values the police officer at $230 per week, and Kelly values the police officer at $150 per week. The competitive wage for a police officer is $900 per week. a. If the protection provided by the police officer to one resident does...

A researcher claims the mean age of residents of a small town is more than 38...

A researcher claims the mean age of residents of a small town is more than 38 years. The age (in years) of a random sample of 30 sutdents are listed below. At alpha=0.10, is there enough evidence to support the researcher's claim? assum the population standard deviation is 9 years. Ages (in years) 41 33 47 31 26 39 19 25 23 31 39 36 41 28 33 41 44 40 30 29 46 42 53 21 29 43 46...

1) Table 17-30 Imagine a small town in which only two residents, Abby and Brad, own...

1) Table 17-30 Imagine a small town in which only two residents, Abby and Brad, own wells that produce safe drinking water. Each week Abby and Brad work together to decide how many gallons of water to pump. They bring water to town and sell it at whatever price the market will bear. To keep things simple, suppose that Abby and Brad can pump as much water as they want without cost so that the marginal cost is zero. The...

1. In a survey, Canadians were asked whether or not they thought that certain offences were...

1. In a survey, Canadians were asked whether or not they thought that certain offences were serious crimes. The findings of this survey are summarized in the table, where each row lists an offence and then gives the percentage of Canadians who think that the offence is a serious crime. Assume that the findings are accurate for the population of Canadians. Answer the questions and round your answers to 4 decimal places. Taking towels from hotels 28% Copying software 25%...

(1)A local entertainment establishment, in a small town, is trying to decide whether it should increase...

(1)A local entertainment establishment, in a small town, is trying to decide whether it should increase its weekly advertising expenditure on a campus radio station. The last six weeks of data on monthly revenue and radio advertising expenditure are shown in the table below: Week 1 2 3 4 5 6 Revenue ($000) 3.0 4.0 2.0 4.0 7.0 3.0 Advertising Expenditure ($00) 2.0 3.0 0.0 6.0 8.0 4.0 (a)Write a regression model that relates both variables in the “general” and...

For the following four questions, a group of residents were asked about their support for a...

For the following four questions, a group of residents were asked about their support for a homeless shelter being opened in their neighborhood. They were also asked about how long they had lived in the neighborhood, with short term residency defined as less than three years and long-term as three years or more. Resident Neighborhood Tenure Supports Shelter 1 Short term Yes 2 Short term No 3 Long term Yes 4 Long term No 5 Short term Yes 6 Short...

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1. A small town has 5600 residents. The residents in the town were asked whether or...

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