an organizer of a television show must select 5 people to participate in the show. the...
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organizer of a television show must select 5 people to participate
in the show. the...
the participants in a television quiz show are picked from a large pool of applicants with approximately equal number of men and women
the participants in a television quiz show are picked from a large pool of applicants with approximately equal number of men and women.Among the last 11 participant there have been only 2 women.If participants are picked randomly,what is the probability of getting 2 or fewer women when 11 people are picked
A researcher is looking for 10 people to participate to a medical study on diabetes. Suppose a ra...
A researcher is looking for 10 people to participate to a medical study on diabetes. Suppose a random person on a given list of potential candidates accepts to participate to the study with probability 0.1. What is the probability that the researcher will have to call 25 candidates in order to find his 10 participants?
There are seven boys and three girls on a team. The coach must select four people...
There are seven boys and three girls on a team. The coach must select four people from this group to participate in the championship. a. How many four-persons teams can be formed from the group of ten students? b. In how many ways can four boys be chosen to participate in the championship? c. What is the probability that four boys are chosen for the team? d. In how many ways can three boys and one girl be chosen to...
2. A television network executive has a list of 7 sitcoms and 5 reality shows to...
2. A television network executive has a list of 7 sitcoms and 5 reality shows to schedule a. The executive wants to select one show from the lists to feature in the primetime for each weekend evening, Friday-Sunday. How many different possible arrangements of the shows are there? b. The executive wants to select 4 shows from the list to cut from the network's lineup. How many options does the executive have for a group of 4 shows to cut?...
In an athletic competition, athletes must participate in an introductory event and those who do well...
In an athletic competition, athletes must participate in an introductory event and those who do well enough will advance to the nest stage of the competition. Assume that 0.53%of athletes take steroids. 0.81% of athletes who take steroids advance. 40 % of athletes who do not take steroids advance. What is the probability that randomly selected athlete does not take steroids and does advance?
In a recent phone survey, people were asked to state their favorite type of television show....
In a recent phone survey, people were asked to state their favorite type of television show. The pie chart below summarizes the responses of those surveyed. (a) Which category was chosen by approximately one-fourth of those surveyed? Select One Drama (b) Approximately what percentage of those surveyed chose Comedy or News? Write your answer as a multiple of 10% - that is, 10%, 20%, Comedy 30%, ... Other Sports 1 % Documentary (c) If 5% of those surveyed chose Other,...
Q-3: People living in an area have a 30% risk of contracting a deadly disease. Let...
Q-3: People living in an area have a 30% risk of contracting a deadly disease. Let the X random variable show the number of people who are not infected. In this case, among 20 people randomly selected from this region: 1.P(2< X 9) =? 2. P(3, 206 < X < 10,794) what is the minimum? b) it is known that 0.02 of the products in a factory are defective. By calculating the probability of at least 3 of 100 products...
One hundred sixty people who suffer from painful diabetic neuropathy have volunteered to participate in a...
One hundred sixty people who suffer from painful diabetic neuropathy have volunteered to participate in a study. Eighty are selected at random and are given the drug gabapentin, which, although originally intended to prevent epileptic seizures, has properties that may make it useful to alleviate neuropathy. The remaining participants are given a placebo. A neurologist evaluates the symptoms of all volunteers after two months to determine if there has been substantial improvement in the severity of the symptoms. This study...
Eleven people have eleven different favorite numbers from 2 to 12. They all agree to participate...
Eleven people have eleven different favorite numbers from 2 to 12. They all agree to participate in a 10,000-roll dice game where they bet $1 on their favorite number for each roll of two standard (fair) dice. A donor kicks in an extra dollar every round, so the payoff if your number comes up is $12. a. Assuming everyone bets on all 10,000 rounds, what is the expected value for a person who has number 7? (Show your calculations.) b....
Q2 [40 points) A survey is conducted to find out whether people in metropoli- tan areas...
Q2 [40 points) A survey is conducted to find out whether people in metropoli- tan areas obtain their news from television (Event T), a newspaper (Event N), or radio (Event R). The results show that 60% of people get news on television, 60% from newspapers, 50% from radio, 30% from television and newspapers, 25% from television and radio, 30% from newspapers and ratio, and 15% from television, newspapers and radio. a) What is the proportion of those who obtain news...
In a recent phone survey, people were asked to state their favorite type of television show. The pie chart below summarizes the responses of those surveyed. (a) Which category was chosen by approximately one-fourth of those surveyed? Select One Drama (b) Approximately what percentage of those surveyed chose Comedy or News? Write your answer as a multiple of 10% - that is, 10%, 20%, Comedy 30%, ... Other Sports 1 % Documentary (c) If 5% of those surveyed chose Other,...
Q-3: People living in an area have a 30% risk of contracting a deadly disease. Let the X random variable show the number of people who are not infected. In this case, among 20 people randomly selected from this region: 1.P(2< X 9) =? 2. P(3, 206 < X < 10,794) what is the minimum? b) it is known that 0.02 of the products in a factory are defective. By calculating the probability of at least 3 of 100 products...
One hundred sixty people who suffer from painful diabetic neuropathy have volunteered to participate in a study. Eighty are selected at random and are given the drug gabapentin, which, although originally intended to prevent epileptic seizures, has properties that may make it useful to alleviate neuropathy. The remaining participants are given a placebo. A neurologist evaluates the symptoms of all volunteers after two months to determine if there has been substantial improvement in the severity of the symptoms. This study...
Q2 [40 points) A survey is conducted to find out whether people in metropoli- tan areas obtain their news from television (Event T), a newspaper (Event N), or radio (Event R). The results show that 60% of people get news on television, 60% from newspapers, 50% from radio, 30% from television and newspapers, 25% from television and radio, 30% from newspapers and ratio, and 15% from television, newspapers and radio. a) What is the proportion of those who obtain news...
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