In a test of a​ sex-selection technique, results consisted of 299 female babies and 9 male babies. Based on this​ result, what is the probability of a female being 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​ female?       Question content area bottom Part 1

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: The table below shows the number of deaths in the U.S. in a year due to a variety of causes. For…

A: Given: Various reasons for death has been given in U.S. The objective is to find the probability of…

Q: A basket contains 5 red apples and 7 yellow apples. A sample of 4 apples is drawn without…

A: here given, 5 red apples +7 yellow apples in basket. Total apples=12 4 apples is drawn without…

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: In a large population, 58 % of the people have been vaccinated. If 4 people are randomly selected,…

A: p(people have been vaccinated)=0.58 Numeber of people (n)= 4 Let "X" be the people who has been…

Q: At a small airport, planes arrive an average rate of 9.78 planes arriving per hour. Please use this…

A: X has poission distribution. X~Poission(λ) λ=9.78 planes arriving per hour=68.46 planes arriving per…

Q: A survey showed that 80% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: P(need correction) = p = 0.80Sample size (n) = 20X = No. of adults need correctionP(No more than 1…

Q: There are 10 questions on a multiple-choice quiz. Each question has four possible answers. Suppose…

A: The number of multiple-choice questions is 10. The number of possible outcomes is 4.

Q: evin flipped a coin 450 times. His results are below. Heads Tails 240 210 xpress each probability in…

A:

Q: The table below shows the results of a survey that asked the involvement of a person in a charity…

A: Required  probability is P(someone who didn't respond never)

Q: A group of people were asked if statistics teachers know the true meaning of life. 338 responded…

A: Given data No of people who thinks, statistics teachers know the true meaning of life = 338 No of…

Q: In a class of students, the following data table summarizes how many students passed a test and…

A: passed the test failed the test total completed the homework 14 2 16 did not completed the…

Q: A 2012 study asked respondents about their confidence in banks and financial institutions as well as…

A: Obtain the probability a respondent has a great deal of confidence in banks and financial…

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: Android Users Iphone Users Total   Ages 18 – 30 405 653 1058   Ages 31 – 40 687 538 1225…

A: Given the sample of age groups compared to android and iPhone users To find:  The probability of…

Q: How many times did the ride run during that hour?  What was the highest rider count?  What was the…

A:

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: If one student is chosen at random from those who took the test, Find the probability that the…

A: Let use define some events A : a student was female. B : a student got a B. Number of students with…

Q: Why might this result be considered misleading? Select all that apply i selected a and c . Got some…

A: Statistical inference plays a major role in day to day life. It is important in analysis.Option a)…

Q: The following table summarizes data on 976 pedestrian deaths that were caused by accidents. If one…

A: pedestrian intoxicated YES pedestrian intoxicated NO Total Driver intoxicated YES 64 69…

Q: Researchers suggest that 9.5% of females in Scotland have red hair. Approximately 10% of Scottish…

A: Conditional probability formula : P(A | B) = P(A n B) /P(B)

Q: According to a study, 87% of K-12 schools or districts in a country use digital content such as…

A: Obtain the probability that randomly selected school or district uses digital content and uses it as…

Q: Based on her numbers, what is the probability that a customer selected at random is a man and he…

A: The data is given by   Fiction Non-Fiction Total Men 92 84 176 Women 26 58 84 Total 118 142…

Q: Assume that a survey of 200 randomly selected people showed that 105 will vote in the 2020 General…

A: It is given that 105 out of 200 people showed that they will vote. That it, there are 95 people who…

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

A: Number of intoxicated pedestrian = 61 + 232…

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 2012 study asked respondents about their confidence in banks and financial institutions as well as…

A:

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

A:

Q: Assume that when adults with smartphones are randomly​ selected, 56​% use them in meetings or…

A: Binomial distribution describes the possible number of events occurs in fixed number of trials.…

Q: A survey showed that 79% of adults need correction (eyeglasses, contacts, surgery, etc.) for their…

A: The binomial distribution is a discrete probability distribution, which has only two outcomes per…

Q: A group of people were asked if statistics teachers know the true meaning of life. 201 responded…

A: