The probability of a randomly selected shark attacking during a year is 0.0612. If a family of a shark has 3 Siblings (3 members ), find the probability that at least one of the siblings has an attack during the span of the year.

Q: An urn contains 5 white balls and 6 red balls. A second urn contains 8 white balls and 4 red balls.…

A: Given data: The numbers of white balls in the first urn are w1=5. The numbers of red balls in the…

Q: In a particular area 40% of men and 15% of women are overweight and there are four men and three…

A:

Q: Find the probability of at least 2 female visitors in 16 visitors to Mt. Rainier National Park.…

A:

Q: 84% of all the field goals he kicks during in-season games. Assume each kick is independent of the…

A: Let X be the random variable from binomial with probability (p) = 84% = 0.84 and sample size (n) =…

Q: In a population where 25% of voters prefer Candidate A, an organization conducts a poll of 1616…

A: P(prefer candidate A) = 0.25 n = 16 voters P(0 of 16 will prefer candidate A) = ?

Q: In a dance class, there are 20 females and 25 males. Fifteen are dancers from G-Force. Eight of the…

A: Given information: n(F)=20n(M)=25Total=45n(G-Force)=15n(M∩G-Force)=8 Find: P(F∪G-Force)=?

Q: uppose a jar contains 15 red marbles and 15 blue marbles. If you reach in the jar and pull out 2…

A: Number of red marbles=15Number of blue marbles=15Total number of marbles=30

Q: In a class with 50 students, 25 students constantly have their lunch in the cafeteria and 10…

A: Consider A denotes having lunch in the cafeteria and B denotes having lunch in the canteen.

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: A group of 90 students is to be split at random into 3 classes of equal size. All partitions are…

A: Given : Total 90 students.

Q: From a group of 4 TV critics and 8 movie critics, we randomly select 5 people. If at least 2 movie…

A: Solution-:l We have 4 TV  critics and 8 movie  critics We randomly select 5 people If at least 2…

Q: Packets at a certain node on the internet arrive with a rate of 100 packets per minute.Find the…

A: The arrival rate is 100 packets per minute that means 10010=10 packet per 6 seconds. The probability…

Q: At a local​ company, 15​% of the employees are women. Every​ day, 7​% of the women bring their lunch…

A:

Q: The average number of phone inquiries each week at a poison control center is 80. Find the…

A: Given that in 1 week means in 7 days the center receives 80 calls.  So in 1 day, it receives 807…

Q: Three balls are selected randomly from a bag containing 4 red balls and 7 blue ones. Find the…

A: From the provided information, Red balls = 4 Blue balls = 7 Total balls = 11

Q: Suppose a system will only work if all 5 components work. The probability that a particular…

A: Given that the probability that a particular component works is 0.915.Each component is independent…

Q: A tennis player makes a successful first serve 40% of the time. Assume that each serve is…

A: The objective of this question is to find the probability of a specific outcome in a binomial…

Q: A bag has 12 different-colored marbles: 4 green, 5 blue, 1 yellow, and 2 orange. You draw a marble…

A: Given that,  4 green, 5 blue, 1 yellow, and 2 orange Marbles.  Total number of marbles = 4+5+1+2 =…

Q: The digits 2, 3, 4, 5, 6, and 7 are randomly arranged to form a three-digit number. (Digits are not…

A: Given digits is 2,3,4,5,6,7No.of digits = 6No. of digits number to be arranged = 3

Q: Suppose that a family has 7 children.​ Also, suppose that the probability of having a girl is 1/2.…

A: From the given information,Number of children, n=7And probability of girl, P=1/2=0.5.Here, we can…

Q: ach individual letter of the word TENNESSEE is placed on a piece of paper and all 9 pieces of paper…

A: Given letter is  : TENNESSEE Which contain nine letters we have formula for Probability=Possible…

Q: coin is tossed 6 times. Find the probability of getting at least 1 tail.

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: A tennis match of best of 5 sets is played by two players and B. The probability that first set is…

A:

Q: A tennis player makes a successful first serve 30% of the time. If she serves 33 times, what is the…

A: Solution: Let X be the number of first serves and n be the number of times she serves. From the…

Q: SHOW COMPLETE SOLUTION. If 30% of the bolts produced by a machine are defective, determine the…

A: Given,n=4p=0.3q=1-0.3=0.7A random variable X~Binomial(n=4 , p=0.3)P(X=x)=4x0.3x0.74-x  ;…

Q: Four out of five Filipinos under the age of 30 eat rice for breakfast. If a random sample of 15…

A:

Q: A committee consisting of 4 members will be formed from 6 males and 3 females. If X is the number of…

A: no.of males=6 no.of females=3 Total no.of members=9

Q: A cookie is selected at random from a basket containing 10 peanut butter ​cookies, 8 caramel…

A: From the provided information, The basket contains 10 peanut butter cookies, 8 caramel cookies, 12…

Q: If three people are selected at random, find the probability that at least two of them have the same…

A: Given: Three people are selected at random. The objective is to find the probability that at least…

Q: The reading speed of second grade students in a large city is approximately normal, with a mean of…

A: Given : Population Mean,μ = 91 Population Standard Deviation,σ = 10

Q: Suppose the mean height in inches of all 9th grade students at one high school is estimated. The…

A: Heights of 7 randomly selected students are70,69,71,63,74,69,75sample size(n)=7Population standard…