Of 100 people, 50 are Democrats, 40 are Republicans, and 10 are Independents. The percentages of the people in these three categories who read The Wall Street Journal are known to be 30, 60, and 40 percent, respectively. If one of these people is observed reading the Journal, what is the probability that he or she is a Republican?
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In a given county, records show that of the registered voters, 45% are Democrats, 40% are Republicans, and 15% are Independents. In an election, 70% of the Democrats, 30% of the Republicans, and 90% of the Independents voted in favor of a parks and recreation bond proposal. If a registered voter chosen at random is found to have voted in favor of the bond, what is the probability that the voter is a Republican? An Independent? A Democrat? The probability...
2. President Donald Trump has promised to pass a bill to build a wall on the U.S. border. Polls show that 90% of registered Democrats are against this bill, while 60% of registered Republicans and 50% of registered Independents favor the bill. The distribution of party affiliation is 35% Democrat, 30% Republican, and 35% Independent. a. What is the probability that someone picked at random does not favor the bill? b. Suppose a randomly selected person does favor the bill....
4. A population of voters contains 45% Republicans, 46% democrats and the rest are independents. Assume 40% of republicans, 60% of democrats and 50% of independents favor an election issue. A person chosen at random from this population is found to favor the issue in question. Find the conditional probability this person is a democrat.
In a recent senatorial election, 59% of the voters in a certain district were registered as Democrats, 38% were registered as Republicans, and 3% were registered as Independents. The incumbent Democratic senator was reelected over her Republican and Independent opponents. Exit polls indicated that she gained 82% of the Democratic vote, 27% of the Republican vote, and 33% of the Independent vote. Assuming that the exit poll is accurate, what is the probability that a vote for the incumbent was...
The issue of corporate tax reform has been cause for much debate in the United States. Among those in the legislature, 34% are Republicans, 60% are Democrats and 6% are Independents. It is reported that 35% of the Republicans, 34% of the Democrats and 31% of Independents favor some type of corporate tax reform. Suppose a member of Congress is randomly selected and he/she is found to favor some type of corporate tax reform. What is the probability that this...
5. + 0/4 points | Previous Answers StatsByLO1 9.10.010.CH. A set of license plates has four letters followed by 5 digits. (a) In how many ways can a license plate be made with four letters followed by 5 digits? (Letters or digits may be repeated.) 4569760 x (b) In how many ways can a license plate be made with four different letters followed by 5 different digits? Enter an exact number. (c) If a license plate is made with four...
Just need e-i nothing else 13. A pollster asked 1000 adults whether Republicans or Democrats have better domestic economic policies. The following table gives the two-way classification of there opinions. Sex Republicans Democrats No Opinion Male 205 350 39 Female 185 190 The pollster then randomly selected one adult from these 1,000 adults. The probability that the selected adult is a male is: (round your answer to three decimal places) B) DUE 12/10/19 The probability that the selected adult says...
The following shows the number of individuals in a random sample of 300 adults who indicated they support the new tax proposal. Political Party Support Democrats 100 Republicans 120 Independents 80 We are interested in determining whether the opinions of the individuals of the three groups are uniformly distributed. If the opinions of the individuals of the three groups are uniformly distributed, the expected frequency for each group is _____ 0.333 0.50 50 None Refer to question 1. The calculated...
matrix 2. Residents in City X tend to read Newspaper A or Newspaper B, or not read any newspaper at all. Statistics shows that, after a year . For people reading newspaper A, 30% of them will switch to reading newspaper B and For people reading newspaper B, 20% of them will switch to reading newspaper A and . For people not reading newspaper, 20% will switch to reading newspaper A and 10% to 10% to not reading newspaper 10%...
1. For the choirmaster. A psalm of David. 2. Hear.my.troubles, O God. Kesp.me.safe from terror, The Department of Health of a certain state estimates a 10% rate of HIV for the general population Tests for HIV are 95% accurate in detecting both true negatives and true positives. Random see 5000 "at risk people and 20,000 people from the general population results in the following table. Use the table below to complete parts (a) through (e). at risk population and a...