In a class of students, the following data table summarizes how many students have a brother or a sister. What is the probability that a student has a brother given that they have a sister? Has a brother Does'not have a brother Has a sister 10 Does not have a sister 12

Q: Delta Airlines' flights from Chicago to Seattle are on time 50 % of the time. Suppose 11 flights are…

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Q: he table below summarizes pregnancy test results for 100 patients.   If one subject is randomly…

A: The contingency table is given as:   Positive Test Result Negative Test Result Row Total…

Q: Our class is creating a new academic team, the Data Managers. The team will have 4 members to…

A: Given that: Team = 4 members  Class want to be on the team  = 10 We pick a random out of 10

Q: If the probability of having a female tortoise is 0.35, what is the probability of having four…

A: Given that,  The probability of having a female tortoise is, p = 0.35 The no.of eggs in a nest is, n…

Q: Students at a particular university must be in exactly one of the class ranks: freshman, sophomore,…

A: 35% of students are freshmen30% are sophomores

Q: In a family with 7 ​children, excluding multiple​ births, what is the probability of having 4…

A: The objective of this question is to find the probability of a family with 7 children having 4 boys…

Q: In a statistics class of 42 students, there were 11 men and 31 women. Six of the men and seven of…

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Q: In a class of students, the following data table summarizes how many students passed a test and…

A: passed the test failed the test total completed the homework 14 2 16 did not completed the…

Q: According to a survey of American households, the probability that the residents own 2 cars if…

A: According to the provided data,

Q: In a class of 10, there are 5 students who play soccer. If the teacher chooses 2 students, what is…

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Q: A set of coins is flipped. 25% of the coin set has a 20% chance of landing on heads. The other 75%…

A: Given that the set of coins are divided into two types.

Q: What is the probability that team b wins the series ?

A: Given Data: P( A wins)=0.4 P( B wins)=0.6   Team A wins the first game

Q: Assume that the critic finds that 25 percent of the movies have positive comments about the plot, 40…

A: The event A is defined as the movies have positive comments about the plot, event B is defined as…

Q: A couple has three children. Assuming each child has an equal chance of being a boy or a girl, what…

A: From the provided information, A couple has three children that is n = 3 Probability of being a girl…

Q: In a group of students, 45% play golf, 55% play tennis and 70% play at least one of these sports.…

A: Define some events A: A student plays golf B: A student plays tennis

Q: Six percent of American adults are considered millionaires. If 100 randomly selected adults are…

A: Here it is given that 6% of American adults are millionaire. We need to find the probability of 7 or…

Q: A. what is the probability that a sports fan attended exactly one of these types of games.  B. what…

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Q: A die is rolled 9 times. Find the probability of rolling no more than 3 fives. The probability of…

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Q: American Airlines' flights from Denver to Atlanta are on time 90 % of the time. Suppose 12 flights…

A: Given that  n=12 , p=90%=0.90 , q=1-p=1-0.90=0.10 X~Binomial(n=12,p=0.90) X=Number of flights on…

Q: Out of 176 students surveyed at a sporting event, half were males and athletes. 120 students…

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Q: If 42% of students own a car and 27% of students own a bike. What is the probability that a student…

A: Given Data: The probability that student own a car is: P(A)=42% The probability that student own a…

Q: When you go grocery shopping, you take note of the color of the car that is parked next to you on…

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Q: basket contains 7 yellow apples and 4 red apples. Margo picks two apples without looking. a. What…

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Q: What is the probability if you randomly select a handful of 4 candy pieces you will pick one of each…

A: Solution: From the given information, there are 5 brown candy pieces, 7 blue candy pieces, 3 red…

Q: like chess dislike chess Female 40 35 Male 60 50

A: Given, The data table is:   Like chess Dislike chess Total Female  40 35 75 Male 60 50 110…

Q: In a statistics class there are 18 juniors and 10 seniors; 6 of the seniors are females, and 12 of…

A: Given Information: There are 18 Juniors, 10 seniors in a statistics class. 6 of the seniors are…

Q: American Airlines' flights from Denver to Seattle are on time 80 % of the time. Suppose 12 flights…

A: The random variable X follows binomial distribution. X follows binomial distribution of n and p. The…

Q: Given 40% of American college students fail to earn a degree and 32% of college students that do…

A: Percentage of people who earn the degree = 60% Percentage of people who earn the degree and don't…

Q: Use the following table to find the probability.   Male Female Write with left hand 55 38 Do not…

A: 1. Consider the following table for necessary calculations.   Male Female Total Write…

Q: If the probability of being hospitalized during a year is 0.25. Find the probability that no one is…

A: X has binomial distribution. X~binomial(n,p)n=3p=0.25probability mass function of X;…

Q: The table gives the data of students categorized by gender and major. Math Physics Biology Majors…

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