In a test of a​ gender-selection technique, results consisted of 221 baby girls and 224 baby boys. Based on this​ result, what is the probability of a girl born to a couple using this​ technique? Does it appear that the technique is effective in increasing the likelihood that a baby will be a​ girl?       The probability that a girl will be born using this technique is approximately enter your response here. ​(Type an integer or decimal rounded to three decimal places as​ needed.) Does the technique appear effective in improving the likelihood of having a girl​ baby?

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 9 red balls, 10 orange…

A: Introduction:  When we want to find the probability of an event happening, we need to calculate the…

Q: A bag contains 10 red, 5 white and 8 blue balls. If three balls are picked out one at a time at…

A: GivenA bag containsNo.of red balls = 10No.of white balls = 5No.of blue balls=8

Q: Out of 400 applicants for a job, 217 are female and 60 are female and have a graduate degree. Step 1…

A: We have to find the probability that a randomly chosen applicant has a graduate degree, given that…

Q: he table below summarizes pregnancy test results for 100 patients.   If one subject is randomly…

A: The contingency table is given as:   Positive Test Result Negative Test Result Row Total…

Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…

A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…

Q: The table summarizes results from pedestrian deaths that were caused by automobile accidents.…

A: We have given, Driver intoxicated   Pedestrian intoxicated     yes no total yes 54 66 120…

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 5 yellow balls, 5 green…

A: Given,no.of yellow balls=5no.of green balls=5no.of brown balls=6total no.of balls=16

Q: In a large population, 59% of the people have been vaccinated. If 5 people are randomly selected,…

A:

Q: Research has shown that approximately 1 woman in 500 carries a mutation of a particular gene. About…

A: The probability that women with this mutation develop skin cancer is 0.71.

Q: The table summarizes results from pedestrian deaths that were caused by automobile accidents.…

A: From the provided information,Total pedestrian deaths = 50+71+251+603 = 975Number of deaths in which…

Q: A student takes an exam containing  14 multiple choice questions. The probability of choosing a…

A: No. of multiple choice questions contained by the exam, The probability of choosing a correct answer…

Q: The table summarizes results from pedestrian deaths that were caused by automobile accidents.…

A: For the given data P( both involved pedestrians that were not intoxicated) = ?

Q: Of the cartons produced by a company, 3% have a puncture, 5% have a smashed corner, and 0.4% have…

A: Given that , cartons produced by a company, 3% have a puncture, 5% have a smashed corner, and 0.4 %…

Q: A physics class has 50 students. Of these, 18 students are physics majors and 16 students are…

A: From the given information, total number of students n(S) = 50. Number of physics majors n(Physics)…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: Total Cards in deck = 52 Number of club in the deck = 13 Number of spade in the deck= 13 Probability…

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 9 type A​ balls, 8 type…

A: Answer: from the given data, Number of types A balls =9 Number of types b balls =8 Number of types c…

Q: A group of people were asked if Marilyn Monroe had an affair with JFK. 113 responded "Yes", and 329…

A:

Q: A financial services committee had 60 members, of which 10 were women. If 9 members are selected at…

A: a. The probability that 7 men and 2 women are selected is 0.3041 and it is obtained below: From the…

Q: Research has shown that approximately 1 woman in 700 cames a mutation of a particular gene. About…

A: Given: Research has shown that approximately 1 woman in 700 carries a mutation of a particular gene.…

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 3   green   ​balls, 8…

A: Given that there are 3 green ​balls, 8 orange balls, and 4 yellow balls.   So total (3+8+4)=15 balls…

Q: golf ball is selected at random from a golf bag. If the golf bag contains 6 green balls, 3 red…

A:

Q: A group of people were asked if Marilyn Monroe had an affair with JFK. 265 responded "Yes", and 327…

A: Total number of respondents is:

Q: Suppose that a screening test diagnoses 97% of sick people positive and 95% of healthy people…

A: Let us define some events A : a person is sick B : a person is healthy. E : a person tests positive.…

Q: In a large population, 61% of the people have been vaccinated. If 5 people are randomly selected,…

A: From the given information, Sample size (n) = 5, Probability of success (p) = 0.61.

Q: A physics class has 50students. Of​ these, 17 students are physics majors and 16 students are…

A: According to the given information, we have Total number of students = 50 17 are physics majors 16…

Q: Of all the registered automobiles in a city, 5% fail the emissions test. Fifteen automobiles are…

A: We have given that  Sample size n=15  Probability of success p=5%=0.05  q=1-p=0.95 P(X=x)=…

Q: Assume that when adults with smartphones are randomly selected, 41% use them in meetings or classes.…

A:

Q: In a large school, it was found that 71% of students are taking a math class, 73% of student are…

A:

Q: A research study uses 600 men under the age of 55. Suppose that 25% carry a marker on the male…

A:

Q: 9 Yes 679 159 No 3149 4252 ving l drivers are randomly selected, find the probability that they all…

A:

Q: group of tourists are visiting the Colosseum in Rome, Italy. Out of the group of 56 people, 15 are…

A:

Q: Naval intelligence reports that 6 enemy vessels in a fleet of 18 are carrying nuclear weapons. If 8…

A: Hyper geometric distribution: In a population with N objects, M be the number of success event. A…

Q: A poll showed that among potential voters, 36% support Candidate A in the upcoming election, 36%…

A: Q1. Given, P(A) = 0.36 , P(B) = 0.36 , P(C) = 0.28 C = Undecided…

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

A: Given,no.of red balls=6no.of green balls=6no.of brown balls=6Total no.of balls=18

Q: ong adults in the U.S., 60% choose potatoes as their favorite vegetable.  In an Idaho Potato…

A:

Q: When making random guesses on an 8 question quiz the probability of guessing correctly on any one…

A:

Q: Five of the eight students are from Middle Georgia State College. What is the probability that all…

A: According to the provided information, eight college students have applied for the interview. Four…

Q: in a box of pens and pencils, the probability of randomly choosing a sharpened pencil is 0.54 and…

A:

Q: A study determined that 2% of children under 18 years old lived with their father only. Find the…

A: Given,n=16p=0.02Let X=no.of children under 18 years old livedwith their father onlyX~Binomial(n=16 ,…

Q: In a clinical trial, 3% of the patients in the study experienced fatigue as a side effect. Suppose…

A: Given that  n=20 , p=3%=0.03 , q=1-p=1-0.03=0.97 X~Binomial(n=20 , p=0.03) X=Number of the patients…