The gender of 4 unborn children is to be determined in a lab today. What is the probability that there will be at least 2 girls?

Q: On an average, there are 2 visits to a supershop per minute. What is the probability thatthe…

A: Given,The average no.of visits to a supershop per minute is 2so, The average no.of visits to a…

Q: Suppose the average number of zebra seen on a 2-day safari is 5. What is the probability that…

A: Given that the average number of zebra seen on a 2-day safari is 5. So, the average number of zebra…

Q: An opaque bag contains 13 yellow and 18 teal marbles. If two marbles are randomly chosen from the…

A: Answer: From the given data, Number of yellow marbles = 13 Number of teal marbles = 18 Total number…

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: In a family with 7​children, excluding multiple​ births, what is the probability of having7 ​girls?…

A: total no.of possible outcomes of a family having a 7 children iss=27s=128

Q: A die is rolled 8 times. What is the probability of getting at least one 5?

A:

Q: A coin is tossed 3 times. What is t

A: From the given information, A coin is tossed 3 times. Total outcomes is 2^3=8 (HHH, TTT, THH, HTH,…

Q: An online quiz has 10 True or False questions. What is the probability that a student got exactly…

A:

Q: If the number of entrants to a restaurant is 10 persons per hour, what is the probability that 12…

A: Given information: It was stated that the number of entrants to a restaurant is 10 persons per hour.…

Q: ability of getting "six" at

A:

Q: According to the Turkish Ministry of Health, the probability of a woman developing breast cancer…

A: A random variable follows the binomial distribution if there are total n number of independent…

Q: A student rolls a die 15 times. What is the probability of getting three 6? First calculate the…

A: If we throw a die once, we get sample space as S={1,2,3,4,5,6}. So, the probability of getting 6…

Q: What is the probability that out of 12 students on a swim team, they will line up from youngest to…

A:

Q: A die was rolled 16 times, what is the probability of rolling a number greater than 4 seven times.

A: Given that  n=16 , p=2/6=1/3  X~Binomial(n=16,p=1/3) X=Number of time the number greater than 4…

Q: A box contains 25 balls, 15 green and 10 red balls. Two balls are picked up, what is the probability…

A: Solution: From the given information a box contains 15 green and 10 red balls. Here, two balls are…

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

A: Given that,  5 students play soccer  5 students not paly soccer  Total students =10 students

Q: A jury of 12 people is to be chosen from 10 men and 12 women. What is the probability that the jury…

A: From the provided information, Total men = 10 Total women = 12 Total people = 10 + 12 = 22

Q: There are 20 students who will join either volleyball team, or basketball team or both. If 12…

A: The number of student join both is   N(A or B) =N(A)+N(B)-N(A and B) N(A and B)= N(A)+N(B)- N(A or…

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: The probability of this event is independent of each other of final probability will be the product…

Q: A coin is tossed 3 times. The probability of getting exactly two heads is

A: Here given that A coin is  tossed 3-times

Q: Mrs. Cruz has three daughters-in-law who are about to give birth. All of them have no idea as to the…

A: Given data: Mrs. Cruz has three daughters-in-law who are about to give birth. All of them have no…

Q: There is an average of 4 accidents in a week on a major highway in the city. What is the the…

A: Given that Population Mean (\lambda)(λ)  = 4  here we will use Poisson distribution with parameter λ…

Q: In a customer service center, there are 18 complaints dropped per minute. What is the probability…

A: Given data: Mean = 18 To find: What is the probability that the number of complaints in the next…

Q: Nasa needs to select a 7 person crew for a space mission from 43 applicants of whom are 21 women.…

A: Given data: the total numbers of applicants are n=43. The numbers of persons selected for space…

Q: A die is rolled 8 times. What is the probability of getting at least one 5?

A:

Q: a small private school, 4 students are selected from 16 available students. What is the probability…

A: Given data, Total Number of students n=16 Number of students selected is r=4 What is the probability…

Q: A bag contains 7 red marbles, 4 blue marbles and 5 green marbles. If three marbles are drawn out of…

A: No. of red marbles=7No. of blue marbles=4No. of green marbles=5Total no. of marbles=7+4+5=16

Q: A 200-page book was opened randomly. What is the probability that you opened to page 52 or a page…

A: Given :                      Number of ways choosing a page from 200 pages = 200

Q: We toss a symmetrical coin 10 000 times. What is the probability that the number of tossed eagles…

A: Given information: Number of tosses for the coin = 10,000 P(Eagle) = 0.50 P(Head) = 0.50

Q: Suppose you are going to form a committee of students and faculty. You have 6 total students and 16…

A:

Q: A history class is comprised of 9 female and 5 male students.if the instructor of the class randomly…

A: There are 14 students in the class (= 9 female + 5 male).

Q: What is the probability of getting 6 or more girls in 8 births

A:

Q: In an average year in Las Vegas, there are 5 fires. a. What is the probability that there'll 8 fires…

A: Given problem Given that   a)

Q: The average number of emergency calls that an ambulance service gets per day is 5. What is the…

A: The average number of emergency calls that an ambulance service gets per day is 5. What is the…

Q: A basket contains 6 blue, 2 red, 4 green and 3 yellow balls. If three balls are picked up at random,…

A: A basket contains 6 blue, 2 red, 4 green and 3 yellow balls.Total number of balls contains in…

Q: Suppose you roll a die 6 times. What is the probability of getting at least one even number

A: