If one of the pedestrian deaths is randomly selected, find the probability that the pedestrian was intoxicated or the driver was not intoxicated

Q: 220 students were asked how many cup of coffee they bought every day.  Number of Cups: 0,1,4,12,15…

A: Given information: Number of cups 0 1 4 12 15   Number of students 61 84 45 22 8 220

Q: Using a random sample of 3867 TV households, Acme Media Statistics found that 55.9% watched the…

A: (a) Given that: Sample size (n)=3867 Proportion (p)=55.9%=0.559 The margin of error can be obtained…

Q: m services receives an average of 6.5 return

A: 50 percent   Day traders should strive to keep their win-rate near 50 percent or above; that way,…

Q: Find the indicated probability. Round your answer to four decimals. According to a survey, 60% of…

A: It is given that the number of observations are independent with the probability of success p = 60%…

Q: A hospital emergency room accepts an average of about 47 bone fracture patients per week. Let the…

A: Given,The average no.of bone fracture patients per week is 47 .

Q: In a survey 500 adults were interviewed, 150 said they had early medical checkup. Find the 95% for…

A: Givensample size(n)=500No.of adults said they had early medical checkup(x)=150p^=xn=150500=0.30

Q: Suppose the distribution of oil prices is $50, $65, $105. Find the probability that the price will…

A: From given data we have : the distribution of oil prices is $50, $65, $105.

Q: The histogram below gives the length of service of members of the Department of Chemistry at a…

A: Given:

Q: A poll showed that 45.4% of Americans say they believe that Marilyn Monroe had an affair with JFK.…

A: It is given thatP(Americans believe that Marilyn Monroe had affair) = 45.4% = 0.454

Q: A football kicker makes 70% of his field goals. If he attempts 20 field goals, determine the mean…

A: Determine the mean number of field goals made by football kicker. From the information, given that a…

Q: weight-loss program, and she had 15 individuals participating in the program. She weighed…

A:

Q: Suppose that 43% of people own dogs. If you pick two people at random, what is the both own a dog?…

A: Given, Probabily of a person own a dog is 43 %

Q: Helga scored in the 70th percentile rank on an exam. If 300 students took the exam, how many…

A: Given: percentile rank of Helga: 70th           total number of students who took exam: 300 students…

Q: 5 letters are typed, with repetition allowed. What is the probability that all 5 will be vowels?…

A: GIVEN: 5 LETTERS ARE TYPED REPETITION ALLOWED TO FIND: WHAT IS THE PROBABILITY THAT ALL 5 WILL BE…

Q: A random sample of 2,000 driver's license applications found that 17% reported their eye color as…

A: Solution: Given information: n= 2000 Sample size  p^= 0.17 Sample proportion Assumed Confidence…

Q: Akiko surveyed several friends, asking them how many siblings they had. Use this data to find the…

A:

Q: 80% of all bald eagles survive their first year of life. Give your answers as decimals, not…

A: I will use excel to solve this question.…

Q: 4% of visitors make donations. on a certain day, the museum has 175 visitors. find the expected…

A: The expected number of donations is obtained below as follows:   The conditions for the normal…

Q: A research firm claims that the distribution of the days of the week that people are most likely to…

A: The question is about categorical data analysis.Given :

Q: The student council is hosting a drawing to raise money for scholarships. They are selling tickets…

A:

Q: 31 of 48% is what?

A: 31 of 48%

Q: A telecommunications company conducted a survey about cell phone companies. Of 1800 randomly and…

A: given  x = 1275 preferred AT&T to Sprint n =Of 1800 randomly and independently selected people…

Q: What percentage of students guessed between 41 and 44

A:

Q: A professor grades students on three tests, four quizzes, and a final examination. Each test counts…

A: The weighted mean value of any random variable X can be given as, X¯=∑i=1nWi·Xi∑i=1nWi. where, Xi…

Q: The student council is hosting a drawing to raise money for scholarships. They are selling tickets…

A: We have to find expected value.

Q: Roy is 4 years old and in the 69th percentile for neight in his age group. Vhat does this mean? Roy…

A: The percentile is used to measure the location of a data set.

Q: A quick quiz consists of a multiple-choice question with 3 possible answers followed by a…

A: Given that the quiz contains multiple-choice question with 3 possible answers followed by…

Q: Suppose that 35% of people own dogs. If you pick two people at random; what is the percent that they…

A: Solution: From the given information, the probability of people own dog is 0.35. Here, two people…

Q: Suppose that 19% of all athletes in a sport use a banned drug. A test is available that detects 88%…

A:

Q: You want to find out the top three food items sold in your school cafeteria. Select the best way to…

A:

Q: Find the weighted mean of four test results, 65, 89, 105 and 101, where the first test counts 22%,…

A: Given:   x weight 65 22% 89 32% 105 17% 101 29%

Q: Find the median of the given sample: -11, -12, -10, 9, -8, -7, -6 O -10 -8 -9

A:

Q: The following are the scores of 15 students on an algebra test. Identify a cumulative frequency…

A: Given that  70,70,72,73,73,74,75,76,81,82,82,82,84,84,94 Sample size n =15

Q: Find the median?

A: We have to slove above question

Q: What percent of athletes who test positive for the drug are actually using the drug? Answer: 77 28

A: Let us define some events A : an athlete is using the drug. B : an athlete is bkt using the drug. E…

Q: A study found that 1.21% of Social Security recipients are too young to vote. If 800 Social Security…

A: