Question

In: Statistics and Probability

One politician believes that 25% of all senior economists strongly support a proposal he wants to...

One politician believes that 25% of all senior economists strongly support a proposal he wants to put forward. Suppose this belief is correct, select five economists
1) What is the probability that at least one of the five supports the proposal?

2) What is the probability that the majority of the five will support the proposal?

Solutions

Expert Solution

Let P be the probability that a senior economist strongly support a proposal


Related Solutions

On the issue of free trade, economists (on average): strongly support. strongly oppose. are very divided....
On the issue of free trade, economists (on average): strongly support. strongly oppose. are very divided. have no opinion. Saltwater economists are: Keynesian economists. prefer greater government intervention in the macro economy. situated primarily on the east coasts and west coast universities. true for all of questions in this problem. The benefit that arises from an increase in an activity is called an incentive. opportunity cost. the marginal benefit. the marginal cost. The birth of economics as an intellectual discipline...
A) A poll shows 60% of voters support Proposition A. 25 people were surveyed. A politician...
A) A poll shows 60% of voters support Proposition A. 25 people were surveyed. A politician claims the actual support is 50% What would be the null hypothesis? B) What would be the alternative hypothesis? C) What kind of test are we looking at? D) Find the critical value.
Mr. Hooper is a fifth-grade teacher at Mt. General Elementary School. He believes very strongly in...
Mr. Hooper is a fifth-grade teacher at Mt. General Elementary School. He believes very strongly in Gardner's theory of intelligence and that students have various areas of relative strength and weakness. He has attended numerous workshops regarding the application of multiple intelligence theory in the classroom. Over the years, he has developed a classroom that he believes fosters development in all of Gardner's eight Frames of Mind. Mr. Hooper's classroom is bright and cheerful. On the walls hang motivational posters...
A teacher is comparing the mean study time of his freshmen and senior students. he believes...
A teacher is comparing the mean study time of his freshmen and senior students. he believes that his senior students spend more time studying per week than his freshmen students and decides to perform a hypotheses test on this belief. a. suppose the decision of the hypothesis test is to reject the null hypothesis. If in reality freshmen study for a mean of 10 hours per week and seniors study for a mean of 15 hours per week, was an...
A sportswriter wants to know how strongly Lafayette residents support the local minor league baseball team,...
A sportswriter wants to know how strongly Lafayette residents support the local minor league baseball team, the Lafayette Leopards.  She stands outside the stadium before a game and interviews the first 20 people who enter the stadium. The sample for the survey is: a. all residents of Lafayette. b. all people attending the game the day the survey was conducted. c. all Leopard fans. d. the sportswriter. e. the 20 people who gave the sportswriter their opinion.
A marketing firm wants to know how strongly Cuyahoga County residents support building a new stadium...
A marketing firm wants to know how strongly Cuyahoga County residents support building a new stadium for the local national football league team, the Cleveland Browns. They get a complete list of all residents in Cuyahoga County, along with their addresses and phone numbers.   There are 52 zip codes in the county. From each of those zip codes, 10 Cuyahoga County residents are randomly selected and surveyed. 1. Describe the population. 2. What is the sample? 3. What type of...
An individual wants to retire in 25 years. At that time (s)he wants to be able...
An individual wants to retire in 25 years. At that time (s)he wants to be able to withdraw $2500 per month to cover living expenses.  This individual has an expectation that (s)he will live 25 years after the date of retirement. The interest rate is 6% per year. This individual has assumed that: The interest rate is constant over time                                             True                          False The expected time frames are 25 years                                           True                          False There are no additional risks to be considered                            True                          False There is money left over 50...
A medical researcher wants to compare the pulse rates of smokers and non-smokers. He believes that...
A medical researcher wants to compare the pulse rates of smokers and non-smokers. He believes that the pulse rate for smokers and non-smokers is different and wants to test this claim at the 0.01 level of significance. The researcher checks 51 smokers and finds that they have a mean pulse rate of 79, and 58 non-smokers have a mean pulse rate of 77. The standard deviation of the pulse rates is found to be 10 for smokers and 8 for...
A medical researcher wants to compare the pulse rates of smokers and non-smokers. He believes that...
A medical researcher wants to compare the pulse rates of smokers and non-smokers. He believes that the pulse rate for smokers and non-smokers is different and wants to test this claim at the 0.05 level of significance. A sample of 52 smokers has a mean pulse rate of 78, and a sample of 64 non-smokers has a mean pulse rate of 74. The population standard deviation of the pulse rates is known to be 88 for smokers and 77 for...
A medical researcher wants to compare the pulse rates of smokers and non-smokers. He believes that...
A medical researcher wants to compare the pulse rates of smokers and non-smokers. He believes that the pulse rate for smokers and non-smokers is different and wants to test this claim at the 0.02  level of significance. The researcher checks 79 smokers and finds that they have a mean pulse rate of 87, and 75 non-smokers have a mean pulse rate of 83. The standard deviation of the pulse rates is found to be 6 for smokers and 6 for non-smokers....
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT