The probability is 0.45 that a traffic fatality involves an intoxicated or​ alcohol-impaired driver or nonoccupant. In ten traffic​ fatalities, find the probability that the​ number, Y, which involve an intoxicated or​ alcohol-impaired driver or nonoccupant is a. exactly​ three; at least​ three; at most three. b. between two and four​,inclusive. c. Find and interpret the mean of the random variable Y. d. Obtain the standard deviation of Y.

Q: The probability a component is acceptable is 0.8. Five components are picked at random. What is the…

A: Given,n=5p=0.8q=1-0.8=0.2A random variable X~Binomial(n=5  ,  p=0.8)P(X=x)=Cx50.8x0.25-x   ;…

Q: About 3% of children in the United States are allergic to peanuts. Choose three children at random…

A:

Q: Find the indicated probability. A survey resulted in the sample data in the given table. If one of…

A: The total number surveyed n= (572+446+473+629) =2120

Q: Use the data in the following​ table, which lists​ drive-thru order accuracy at popular fast food…

A: Given,

Q: Statistics show that about 42% of Americans voted in the previous national election. If three…

A:

Q: The table shows the distribution, by age and gender, of the 30.7 million people in a certain region…

A:

Q: a. Find the probability of getting exactly 4 sleepwalkers among 5 adults. (Type an integer or a…

A: Defined :

Q: A computer salesman averages 1.3 sales per week. Find the probability that in a randomly selected…

A: Given,The average no.of sales per week (λ)=1.3A random variable X~Poisson(λ=1.3)P(X=x)=e-1.31.3xx!…

Q: You survey a sample of 1000 employees at a company and record the age of each. Frequency Age 15 to…

A: From the provided information, The frequency distribution table is as follow: Age Frequency 15…

Q: Determine whether the random variable x is discrete or continuous. Explain. Let x represent the…

A: Discrete random variable: The random variable that takes the finite number of possible values or…

Q: Male Female Walk 16 24 Bike 19 11 Car 21 22 The table shown gives the results of a poll taken on…

A: Given data is   Male Female Total Walk 16 24 40 Bike 19 11 30 car 21 22 43 Total 56 57…

Q: 3. A box holds 3 red and 5 blue marbles. If 2 marbles are to be drawn at random with replacement and…

A: Given: There are 3 red and 5 blue marbles 2 marbles are drawn at a random with replacement. X : the…

Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 14 men are randomly…

A: given p=65%=0.65 , n=14  P(X=3)=? X~Bin(n=14, p=,0.65)

Q: A computer salesman averages 1.3 sales per week. Find the probability that in a randomly selected…

A: here given ,  A computer salesman averages 1.3 sales per week. so here λ = 1.3 sales per week  Find…

Q: The table lists the smoking habits of a group of college students. Sex Non-smoker Regular Smoker…

A: We have given the following table lists the smoking habits of a group of college students Sex…

Q: (a) Determine the probability that a randomly selected multiple birth for women 15-54 years old…

A: (a) The probability formula is, Probability=Number of favourable outcomesTotal outcoms There are…

Q: Car Owners Truck Owners 0.25 O 0.625 O 0.375 O 0.294 <20 Miles per gallon O 0.158 200 500 20 miles…

A: The frequency table shows that:There are 500 truck owners who get less than 20 miles per gallon…

Q: Interpret the mean. Select the correct choice below and fill in the answer box to complete your…

A: Data is given for  y and its corresponding probability We have to calculate mean and standard…

Q: We are interested in analyzing data related to college football. Use S to denote the team is in the…

A: Given information- We have given that the probability of team is in the S = 5.5% So, the probability…

Q: An animal shelter recorded the animals purchased by the 400 people who walked into the shelter.…

A: DOG FOOD CAT FOOD NO FOOD Total CAT 50 62 46 158 DOG 120 58 4 182 NO ANIMAL 30 20 10 60…

Q: A customer service center is tracking number of complaints in each week. Let X be the number of…

A: The objective of the question is to find the missing probability for X = 1 in the given probability…

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 11 6 17 did not completed the…

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A:

Q: We are interested in analyzing data related to college football. Use S to denote the team is in the…

A: Given information- We have given that the probability of team is in the S = 5.5% So, the probability…

Q: The mean number of customers arriving at a restaurant during a 15-minutes period is 12. Find the…

A: We have to find out given probability...

Q: The number of inches of rain that fell during the month of April was recorded over time.  The number…

A: a) Total number of years = 4+13+21+10+2=50 years.  To find probabilities we divide all frequencies…

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

A:

Q: Use the data in the following​ table, which lists​ drive-thru order accuracy at popular fast food…

A: Concept of probability:Probability deals with the likelihood of occurrence of a given event. The…

Q: the table below is the information about integrated circuit (IC) failure based on  chip…

A: In this case, Event A represents level of confirmation, event B represents level of contamination,…

Q: A fair coin was tossed three times. Let x be the number of heads. Find the mean and variance o x

A: Given Coin is tossed three times.

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.42%. A random sample of 33 of…

A: Given that  Mean percent of childhood ashthma prevalence =2.42%                      =0.0242 Sample…

Q: Which of the following statements is true about a random variable? Explain your reasoning. a. A…

A: Given problem Given that   Which of the following statements is true about a random variable ?…

Q: A company is conducting a survey to determine how prepared people are for a long-term power outage,…

A: Given data; Response Frequency very prepared 260 somewhat prepared 993 not too prepared 529…

Q: Use the data in the following table, which lists drive-thru order accuracy at popular fast food…

A: Given Total number of order is 1130

Q: You want to know the probability that you will select a king of any suit from a deck of cards. You…

A: Relative Frequency :  The relative frequency of an event is defined as the number of times that the…

Q: We are interested in analyzing data related to college football. Use S to denote the team is in the…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

Q: The accompanying table describes the random variable x, the numbers of adults in groups of five who…

A: The below table describes the random variable , the numbers of adults in groups of five who reported…

Q: Construct a probability histogram for variable X.

A: The probability values are, X Frequency Probability 5 25 25125=0.20 7 40 40125=0.32 8 60…

Q: developments to represent continuing trends: a) What is the probability of randomly picked stock of…

A: Industry Up Down Total Telecommunications 3 2 5 Retail 3 4 7 Tourism 4 3 7 Cloud Computing 5…