A class has 30 students. If there are 20 boys and two students are selected at random calculate the probability that O one is a girl and one is a boy. 0 no girls are selected.

Q: In a large population, 53% of the people have been vaccinated. If 5 people are randomly selected,…

A: The situation where at least one out of 5 is vaccinated includes all but one possibility, that which…

Q: A class contains 16 boys and 10 girls of which half of the boys and half of the girls are fat. Find…

A: Given,no.of boys=16no.of girls=10no.of fat girls=8no.of fat boys=5Total no.of students=26

Q: Find the probability that they are both toffes. Given that they are both toffees, find the…

A: Given: Box A: 6 toffees , 4 chocolates  Box B: 5 toffees , 3 chocolates  Box C: 3 toffees , 7…

Q: Anne has six balloons, one of which contains a prize. She randomly selects one of the balloons to…

A: Anne has six balloons, one of which contains a prize. We need to calculate the probability that…

Q: A jar contains 3 white, 4 orange, 5 yellow, and 8 black marbles. If a marble is drawn at random,…

A: A jar contains 3 white, 4 orange, 5 yellow, and 8 black marbles.

Q: From a pack of cards, three cards are drawn at random. Find the probability that each card is from…

A: We have four suits in pack of cards. We have to draw 3 cards at random.

Q: A group of people were asked if they owned a dog. 121 responded "yes", and 400 responded "no". Find…

A: According to the provided information, A group of people was asked if they owned a dog. 121…

Q: A jar contains 3 white, 4 orange, 5 yellow, and 8 black marbles. If a marble is drawn at random,…

A: Total number of events = Total number of balls = 3 + 4 + 5 + 8 =20 Number of favorable events =…

Q: A group of students consists of 10 male freshmen, 15 female freshmen, 20 male sophomores, and 5…

A: Given, A randomly selected student can be a female or a freshman. So, these events can occur…

Q: The mathematics department of a college has 13 male professors, 10 female professors, 6 male…

A:

Q: Two cards are drawn from a standard deck of cards, and one of the two cards is noted and removed.…

A: We have to have find given probability

Q: A bag contains 5 red and 10 blue marbles. marbles are drawn at random from the bag. Then the…

A: Explanation of the solution is given below...

Q: high school with 200 students, 32 play football, 18 play basketball, 8 play both sports. If a…

A:

Q: A  class consists of 18 women and 15 men. If a student is randomly selected what is the probability…

A: Given information: Number of women in class is, w = 18 Number of men in class is, m = 15 A student…

Q: A committee of 5 persons is to be selected randomly from a group of 5 men and 10 women. (a) Find the…

A: Given that there are 5 men and 10 women. So total (5+10)=15 people.   We can select any 5 people in…

Q: 3. If the probability that a man shoots a bird is 0.7, find the probability that he: (a) will hit at…

A:

Q: In a five children family, find the probability that there will be at least 2 boys.

A: Given: n = 5 Probability of boy or a girl = 1/2 = 0.5

Q: On a lunch counter, there are 3 oranges, 5 apples, and 2 bananas,  If 3 pieces of fruit are…

A: Givenon lunch counterNo.of oranges = 3No.of apples = 5No.of bananas = 2

Q: In a five children family, find the probability that there will be at least 4 boys.

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Q: In the United States, approximately 30% of people have type O blood. If 3 people are selected at…

A: We have to find given probability..

Q: A class of 20 juniors, 30 seniors, and 10 graduate students makes up an advanced physics class.…

A:

Q: The probability that a person will make zero, one, two, or three errors on his or her test is 0.50,…

A:

Q: A suitcase contains 7 T-shirts, 4 pairs of shorts, and 6 pairs of pants. If a piece of clothing is…

A: We know the formula for finding the probability of an outcome is favourable outcomesTotal outcomes

Q: In a group of children the probability a child had black hair is 0.7. The probability that a child…

A: We have given that  P( black hair ) = 0.70 P( brown eyes ) = 0.55 P( black hair or brown eyes ) =…

Q: In a large population, 65% of the people have been vaccinated. If 4 people are randomly selected,…

A: Given: Sample size (n) = 4 Probability of success (p) = 0.65 Formula: Let "X" be the large…

Q: suppose that 90% of students take math, 20% of students take chemistry and 15% take both. select a…

A:

Q: If one student is chosen at random, find the probability that the student was male AND got a "C". Ro

A: It is given that Number of males with C = 3 Total = 56

Q: An urn contains five white balls and six red balls. The second urn contains eight white balls and…

A: It is an important part of statistics . It is widely used .

Q: If a person is picked at random from this group, find the probability that a) the person is a male,…

A: The data is given by   Male Female Total Elementary 38 45 83 Secondary 28 50 78 College 22…

Q: Find the probability that when a couple has three children at least one of them is a girl.

A: Solution: Let X be the number of children are girls and n be the sample number of children.

Q: find the probability that only three have traveled to Italy.

A: Let p be the probability that a tourist have traveled to Italy. Given that p = 0.55 Let X denotes…

Q: A family has three children. Assuming that boys and girls are equally likely, determine the…

A:

Q: If one student is chosen at random, Find the probability that the student was male GIVEN they got a…

A: Conditional probability is known as the probability of an event occurring given that the other event…

Q: In an apartment complex the probability a tenant has a dog is 40% and the probability a tenant has a…

A: Answer :- Given P(D) = 0.40,  P(C) = 0.37 and P(C∩D) = 0.15                Here P(D) = Probability…

Q: A bag contains 4 red balls, 8 blue balls, and 6 yellow balls. Find the probability of a. Drawing 4…

A:

Q: A three-person committee is chosen at random from a group of 7 women and 6 men. Find the probability…

A:

Q: A bag contains 4 black balls and 4 white balls. Suppose one draws two balls at the time, until the…

A: Probability: Probability is about estimating or calculating how likely or 'probable' something is to…

Q: Find the probability that when a couple has four children, at least one of them is a boy. ​(Assume…

A: From the given information n = 4. In this case, the probability of couple getting a boy or girl is…

Q: If a student is selected, find the probability that the a. selected student is male or from the…

A:

Q: Suppose a classroom teacher must form a committee of 4 people. If the classroom has 25 students,…

A: The no. of people in the classroom is 25 and the committee contains 4 people.

Q: In a high school graduating class of 100 students, 54 studied mathematics, 69 studied history, and…

A: Given data,Number of students n=100studied Mathematics is n(M)=54Studied History is n(H)=69Studied…

Q: Find the probability that when a couple has two children, at least one of them is a boyboy. ​(Assume…

A: Consider,B be the event shows that couple has baby boy.G be the event that shows the couple has baby…

Q: a bag there are 7 blue, 3 yellow, and 4 pink markers. If five markers are selected at random and the…

A: A: None are Pink B: None are yellow   The probability that none are pink is given by   The…

Q: The probability that Ben gains admission into the university is 1/3 and that of Ama is 2/5. Find the…

A: Let us define some events A : Ben gains admission. B : Ama gains admission. Given that  P(A) = 1/3,…

Q: If a New Yorker is selected at random, find the probability that. (b) the New Yorker is either…

A: Given that,   Mediterranean Asian Latin Total Female   18 16 47 Male 14       Total     31…

Q: Two cards are drawn from a standard deck of cards, and one of the two cards is noted and removed.…

A:

Q: Find the probability that when a gardener plants 20 seeds, she harvests 16 radishes given the…

A:

Q: A group of students consists of 10 male freshmen, 15 female freshmen, 20 male sophomores, and 5…

A:

Q: The probability that Ben gains admission into the university is 1/3 and that of Ama is 2/5. Find…

A: (a) Obtain the probability that both gain admission. The probability that both gain admission is…

Q: Find the probability that when a couple has six children. At least one of them is a boy. (Assume…

A: Given Data: The number of children is: n=6 The probability of boy and girl is equally likely. So,…