Suppose that 10 golfersenter a tournament and that their respective skill levels areapproximately the same. Six of the entrants are female and two of thoseare older than 40 years old. Three of the men are older than 40 yearsold. What is the probability that the winner will be a female who isolder than 40 years old?

Q: Three students from a 14 student class will be selected to attend a meeting . 5 of the students are…

A: Let us say,  the probability that not all three of the students chosen to attend the meeting are…

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 sample of 1000 U.S adults, 199 think that most celebrities are good role models. Two U.S adults…

A:

Q: A survey shows that about 65% of all respondents chose to have dogs over cats. Suppose that 15…

A:

Q: Three students from a 20 student class will be selected to attend a meeting. 9 of the students are…

A: Given that there 20 students in a class. Three students from a 20 student class will be selected to…

Q: Three students from a 13 student class will be selected to attend a meeting. 5 of the students are…

A:

Q: If two cards are selected from a standard deck of 52 cards and are not replaced after each draw,…

A:

Q: You own 6 distinct pairs of shoes but keep all the individual shoes mixed up in the closet. Suppose…

A: If there are n mutually exclusive, exhaustive and equally likely outcomes of a random experiment and…

Q: In a family with 3 children, excluding multiple births, what is the probability of having exactly 2…

A:

Q: Three students from a 16 student class will be selected to attend a meeting. 5 of the students are…

A:

Q: Out of a group of 10 patients treated with a new drug, 4 suffered a relapse. If 3 patients are…

A:

Q: Suppose you are going to form a committee of students and faculty. You have 12 total students and 24…

A:

Q: An after-school club sonsists of 10 juniors and 12 seniors. If 2 students are chosen at random to…

A:

Q: Suppose a jar contains 20 red marbles and 23 blue marbles. You reach in the jar and pull out two…

A:

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: Assume that when adults with smart phones are randomly selected 56% of them use them in meetings or…

A: Here we need to find the required probability using the binomial distribution.

Q: On average there are 3 leaks for every 100 miles of a pipeline. What is the probability that a…

A: On average there are 3 leaks for every 100 miles of a pipeline

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: assume that when adults with smart phones are randomly selected 58% use them in meetings or classes…

A: This is a Binomial Distribution Problem, therefore we can use the formula:…

Q: There are 400 seniors in highschool, of which 180 are males. It is known that 85% of the males and…

A: Given,

Q: Suppose you are going to form a committee of students and faculty. You have 9 total students and 18…

A: Answer - Given, You have 9 student and 18 faculty                  You are going to form a committee…

Q: Assume that male and female births are equally likely and that the birth of any child does not…

A: Given that  p = 1/2 = 0.5 , q = 1 - p = 1 - 0.5 = 0.5 , n = 7 X ~ Binomial (n = 7 , p = 0.5) X =…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.