A.A safety engineer claims that only 40% of all workers wear safety helmets when they eat lunch at the workplace. Assuming that his claim is right, find the probability that 4 of 6 workers randomly chosen will be wearing their helmets while having lunch at the workplace.   Answer in 4 decimal place

Q: (b) If an American female is selected at random, what is the probability that she is NOT red-green…

A: (b) The probability that she is NOT red-green color-blind is, PNOT red-green…

Q: Suppose that 70% of college women have been on a diet within the past 12 months. A sample survey…

A: Correct answer is 0.0371

Q: What is the probability that a randomly selected adult has a "normal" resting body temperature that…

A: Given :  Empirical evidence shows that the "normal" resting adult body temperature is normally…

Q: If 58% of the people at a certain conference are doctors, 38% are men, and 18% are male doctors,…

A: Given If 58% of the people at a certain conference are doctors, 38% are men, 18% are male doctors,

Q: According to a recent study, 52% of people admitted to running a red light. If 4 people are…

A:

Q: At a community center, 200 members are asked if they own a bike and if they have owned a bike in the…

A:

Q: In a recent survey of a random sample of 437 California residents, 129 said they visited a state…

A: Given : Total number of residents = 437 Number of residents visited state park in last 6 months =…

Q: Out of 450 applicants for a job, 212 are male and 54 are male and have a graduate degree. 212 212 54…

A: The probability of simple events is finding the probability of a single event occurring.

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A:

Q: In a recent survey of a random sample of 437 California residents, 129 said they visited a state…

A: We want to find out the correct answer for given question

Q: - The average number of matches where the football matches of the Galatasaray football team were…

A: See the hand written solution

Q: The American Automobile Association reports that of the fatal car and truck accidents 54% are caused…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: According to a survey, 10% of Americans are aftaid to fly. Suppose 1,100 Americans are sampled.…

A: From the given information, consider X be a random variable binomially distributed with parameter…

Q: 4) According to a recent study, 1 in every 8 women has been a victim of domestic abuse at some point…

A: Given, no of women= 25 1 in every 8 women is abused, therefore p=1/8 = 0.125 Let X be the random…

Q: If one student is randomly chosen from the group, what is the probability that the student chose…

A: Given problem Given that     Homework Housework Outside Employment Recreation Other Total…

Q: Based on a Bellowes survey of adults, there is a 0.48 probability that a randomly selected adult…

A:

Q: An aircraft seam requires 27 rivets. The seam will have to be reworked if any of these rivets is…

A:

Q: In Canada, 63% of households speak English as their primary language, and 23% speak French as their…

A: Solution: Let A be the event that the household speaks French and B be the event that the household…

Q: A teacher at Soledad Prison has 22 thugs in his class, including the “extra-mean” thugs Bluto,…

A: We have to use hypergeometric distribution to find the probabilities.

Q: d. What is the probability that a female respondent drives either a truck or an SUV? e. If it is…

A: The cross-tabulation for gender and vehicle driven data with corresponding totals is,…

Q: In Russia, 57 percent of the population use public transportation. In a sample of 10 individuals,…

A: Its binomial probability

Q: If 66% of the people at a certain conference are doctors, 63% are women, and 77% are doctors or…

A: Given that, 66% of the people at a certain conference are doctors i.e. P(doctors) = 0.66 63% are…

Q: According to the Australian Bureau of Statistics, during a particular year, the country’s population…

A: The mean is, μ=np=200×0.226=45.2 The mean is 45.2 The standard deviation is,…

Q: If you buy a lottery ticket in 50 lotteries, in each of which your chance of winning a prize is…

A:

Q: A study done on students attending Saddleback College found that 31% of them do not own their own…

A: From the provided information, 31% of students do not own their own car that is p = 0.31 Sample size…

Q: If the probability of giving birth to a boy is 0.52, what is the approximate probability of giving…

A: Given that, Probability of giving birth to a boy is 0.52 I.e.  P(B)= 0.52

Q: c. A bag contains 20 tennis balls, of which four are defective. If two balls are selected at random…

A: c.   Probability =Favorable caseTotal casesFavourable case : Number of chance to get both defective…

Q: If a randomly selected lamp is defective, what is the probability that the lamp was manufacturedin…

A: Bayes’ rule: If A1,A2,...,Ak are k mutually exclusive and exhaustive events, such that the sum of…

Q: Suppose in a local Kindergarten through 12th grade (K - 12) school district, 53 percent of the…

A: Given Information: 53% of the population favour a charter school for grades K through 5. Sample size…

Q: A sports commentator claims that 45% of all football injuries are knee injuries. If this claim is…

A:

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

A:

Q: d. What is the probability that her trip will take exactly 50 minutes?

A: here given ,  The time it takes for Anna to travel between her home and her job is uniformly…

Q: a) What is the probability that a randomly selected hotel in Lawton has a room priced between $50.00…

A: 21. Let X is defined as price range of hotel in Lawton. a) The probability that a randomly selected…

Q: a) What is the probability that a worker surveyed at random works i) in either the paper mill or the…

A: The concept of independence and mutually exclusive events are two important part of probability.

Q: Based on a Bellows survey of adults, there is a 0.48 probability that a randomly selected adult uses…

A:

Q: In a recent survey of a random sample of 437 California residents, 129 said they visited a state…

A: Given : Sample size = 437 Number of people who said they visited a state park in last 6 months = 129

Q: In the St. Petersburg Community College, 30% of the men and 20% of the women are studying…

A: Let M=a student is menW=a student is womenE=a student is studying…

Q: If 30% of all dogs in a city have brown hair. In a sample of 500 dogs, what is the probability that…

A:

Q: According to a journal article on ancient Japanese history, 1 in every 5 samurai became masterless…

A: Given that 1 in every 5 became masterless during feudal age of japan. p=15p=0.20 n=15P(Atleast…

Q: Based on the table that is attached below, what is the probability that a randomly selected man…

A: Given a data table using the table we have to find what is the probability that a randomly selected…

Q: Here is the probability model for the blood type of a randomly chosen person in the United States.…

A: In question, We have given a probability model for the blood type of a randomly choosen person in…

Q: Given that 58% of all gold dealers believe next year will be a good one to speculate in S out Africa…

A:

Q: The Denver Post reported that a recent Audit of Los Angeles 911 calls showed that 85% were not…

A: Given : p = 0.85 n = 3

Q: A manufacturer of cotter pins knows that 5 percent of his product is defective. If he sellseotter…

A: A binomial distribution is used when there are n number of independent trials with equal probability…

Q: Prior to airport construction, a survey was conducted if the residents in a certain barangay are in…

A: n=350, p=35%,  X~Bin(n=350, p=0.35) P(X≥100)=?

Q: a. Assuming that the rate of 23.9% is correct, find the probability that 398 or more of the 1482…

A: Given: p = proportion of people has sleepwalked = 0.239 n = Sample size = 1482 As sample size is…

Q: A study of  hospital admissions in New York State found that  of the admissions led to…

A:

Q: If 35% of cows in a herd have Mad Cow disease, and a rancher randomly selects 7 cows, what is the…

A: Given data,Number of cows n=7p=35%=0.35P(X=4)=?

Q: R. H. Bruskin Associates Market Research found that 40% of Americans do not think that having a…

A: It is an important part of statistics. It is widely used.

Q: (d) What is the probability that on at least 22 days you walk through Aldrich Park? (e) What is the…

A: Let p be the probability that you walk through Aldrich park on any given day. Given that p = 0.7…