One student is selected randomly from the following group of 500 students.     Freshman Sophomor Junior Senior Total Boy 50 58 72 60 240 Girl 70 42 78 70 260 Total 120 100 150 130 500   Find the probability that the student is a boy.        * Find the conditional probability that the student is a junior given that she is a girl. Find the probability that the student is both a boy and a freshman. Find the probability that the student is either a boy or a freshman.

Q: A class is composed of 20 boys and 25 girls. If a pupil is called to recite, what is the…

A: Given  A class is composed of 20 boys and 25 girls. If a pupil is called to recite, what is the…

Q: Assume that there are 13 board members: 7 females, and 6 males including Simeoni. There are 5 tasks…

A: 1) Given that there are 13 board members in which 7 females and 6 males including Simeoni. There are…

Q: In a bag there are 6 white marbles and 16 black marbles. Four marbles are drawn without replacement.…

A: Hi! Thank you for the question! Since the question contains four subparts and we are allowed to…

Q: I need help with this one.  Suppose that you have randomly picked up ONE student. In a class, there…

A: Step 4: Determine the number of male students:  Total number of male students = Total number of…

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

A:

Q: A pair of dice are tossed twice. Find the probability that the first roll is a total of at least 12…

A: roll pair of dice twice.  roll dice : {1,2,3,4,5,6} for rolling pair of dice : total outcomes = 36

Q: bag B contains 2 red and 5 green balls. Two balls will be drawn randomly from bag A and they will be…

A: Bag  A Red 3 Green 4   Bag  B Red 2 Green 5 Step -1: Consider all possible events…

Q: Suppose that you have 9 coins: 3 dimes, 4 quarters, and 2 nickels. Two coins are selected at random.…

A:

Q: There were 12 pink, 7 purple and 9 yellow flowers in a vase. You randomly choose a flower from the…

A: Introduction: According to the permutation rule, if r distinct items are to be chosen from n items…

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 6 type A​ balls, 4 type…

A: Total number of balls=6+4+3=13

Q: A class contains 10 males and 20 females of which half the males and half the females are…

A: We will create a contingency table first. There are 10 males and 20 females (total 30) of which 5…

Q: Two cards are drawn from a deck of 52 cards. The first card is replaced before drawing the second…

A: no.of black cards=26no.of Ace cards=4Total no.of cards=52

Q: A couple has four children . Find the probability that there are exactly two boys and two girls

A: Probability of a boy (p) = 1/2 = 0.5  Probability of a girl (p) = 1/2 = 0.5  Number of children (n)…

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 6 black ​balls, 7 orange…

A: There are 6 black balls, 7 orange balls are 7 red balls in the bag.

Q: A card is selected from a deck. Find the probability that it is a number greater than or equal to 8…

A: Given: n=52 A card is selected from a deck.  To find: The probability that it is a number greater…

Q: in a given week a veterinarian treated 50 dogs 40 cats 10 birds 20 rabbits. Whats the probability…

A:

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: An airplane has 100 seats for passengers. Assume that the probability that a person holding a ticket…

A: Let X be the number of persons holding a ticket appears for the flight.From the given…

Q: A physics class has 50 students. Of​ these,17 students are physics majors and 13 students are…

A: From given data, P(Physics majors)=17/50 P(Female)=13/50 P(Physics majors and Female)=4/50 P(Physics…

Q: A bowl contains 6 yellow, 5 blue, and 9 red balls. One ball is removed from the box and it is not…

A: In this context, it is given that the box contains 6 yellow, 5 blue, and 9 red balls. The event of…

Q: The batteries manufactured by a certain company are tested to see if they last as long as the…

A: Given, probability that a battery passes the test p=0.85 probability that a battery fail the…

Q: class consists of 50 women and 21 men. If a student is randomly selected, what is the probability…

A: According to the given information in this question, we need to find the following probability

Q: Erik, Jordan, Adam, Myra, Gabriel, and Johanna have all been invited to a dinner party. They arrive…

A: Given that, 6 members are invited for a party and stated that  Adam arrives first and Erik arrives…

Q: Two boxes each contain long and short bolts. Box 1 contains 60 long and 40 short bolts, while box 2…

A: The provided information is as follows:Box 1 contains 60 long bolts and 40 short bolts.Box 2…

Q: A cooler contains 100 ice cream bars. There are 30 Vanilla​ bars, 20 Mint Chocolate Chip​ bars,10…

A: Given :- Number of ice cream bars a cooler contains = 100. Number of vanilla bars = 30 Number of…

Q: There are 100 balls in a container. 30 of them are red, 50 blue, and 20 green.  We randomly select a…

A:

Q: Suppose that you have 7 coins: 3 dimes, 3 quarters, and 1 nickels. Two coins are selected at random.…

A:

Q: The chess clubs of two schools consist of, respectively, 8 and 9 players. Four members from each…

A: Given problem Given that The chess clubs of two schools consist of, respectively 8 and 9 players.…

Q: Suppose there are 10 candidates in an election. After the election, an ordered list is published of…

A: As per our guidelines we are suppose to answer only one question kindlyrepost the remainin questions…