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.
Q: This problem involves students who have taken Calculus in high school. Assume that 15 percent of…
A: Probability quantifies the chances of happening an event. The probability values always lie in the…
Q: It is known that a certain basketball player will successfully make a free throw 90.71% of the time.…
A: From the given information,P = 90.71%= 0.9071So, q = 1- P = 1-0.9071 = 0.0929n = 11we have to find…
Q: If a seed is planted, it has a 90% chance of growing into a healthy plant. If 10 seeds are planted,…
A: Let us denote X= number of plants that do not grow healthy n= number of trials= 10 probability of…
Q: Eighteen percent of adults in Austria have completely paid off their house mortgage. You randomly…
A: Let X denote the number of 10 adults have completely paid off their house mortgage. Then X follows a…
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Q: if probability of choosing a red chip from a bucket is 0.36, what is the probability of not choosing…
A: Answer: From the given data, The probability of choosing a red chip from a bucket is 0.36 P(a red…
Q: In a physical fitness test it is known that the probability that a person passes it satisfactorily…
A: Givenn=8probability for people fail in test =…
Q: A study showed that 64.5% of occupants involved in a fatal car crash wore seat belts. Of those in…
A: Solution: Let A be the event that occupants involved in a fatal car crash wore seat belts. P( A)=…
Q: In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…
A: Givenp=0.85n=20Let "x" be the no.of people are unware that maintaining a healthy weightcould reduce…
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…
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A: Design of experiments
Q: A survey on campus revealed that 77% of the students felt that a new attendance policy was unfair.…
A: Given that the probability that the students felt that a new attendance policy was unfair is = 77%…
Q: If the probability of choosing a red chip from a bucket is 0.4, What is the probability of not…
A: We have the probability of choosing a red chip from a bucket is 0.4
Q: , it has a 70% chance of growing into a healthy plant. If 11 seeds are planted, what is the…
A: Given: Probbaility (Grow)= 70% = 0.70 Probaility (Dont grow) = 1-0.70 =0.30 n = 11
Q: An insurance company found that 16% of drivers were involved in a car accident last year. If 8…
A: Probability of drivers were involved in a car accident last year(p)=0.16sample size(n)=8Let "x" be…
Q: If a seed is planted, it has a 70% chance of growing into a healthy plant.
A: Given that the 70% chance of growing into a healthy plant. P(growing a plant)=0.70 P(not…
Q: A recent survey shows that 60% of families regularly schedule family vacations for the month of…
A: Given, 60% of families regularly schedule family vacations for the month of April. Let X = number of…
Q: A magazine reported that 6 percent of all drivers talk on their cell phone while driv If 300 drivers…
A: Given data, p=6% =0.06 n=300 P(0.04<X<0.07)=?
Q: 45% of Americans don’t know the sun is a star. The data is normally distributed.Find the probability…
A: Given data, p=45%=0.45 n=120 P(p>0.42)=?
Q: When purchasing boards from a wood supplier, it has been documented that 44% of the boards that are…
A: Given that Sample size n =300 Population proportion p=44%=0.44
Q: According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that…
A: The question is about probability.Given :Probability of having 3 or more sacks in the game =…
Q: In a survey of 500 individuals, it was found that 60% of them prefer tea over coffee. Of those who…
A: Answer: To find the probability, we need to calculate the proportion of individuals who prefer tea…
Q: The national weather service states that 40% of hurricanes that make landfall on the east coast of…
A: we have to find probability that in a sample of 19 hurricanes that make landfall on the east coast…
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A: The manufactured LED lights that have an average rated life of 1000 hours is , p=68.05%. The…
Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 11 seeds are planted,…
A: Given that, The sample size is, n = 11 The probability of growing into a healthy plant is, 0.95 The…
Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 12 seeds are planted,…
A: Given that, Probability(grow) = 95% = 0.95 Probability(don't grow) = 0.05 Sample size = 12
Q: University has found out that the graduation rate is 92% (92% of students admitted graduate from the…
A: p = 0.92 n = 300
Q: ind the probability that in a randomly selected office hour, the number of student arrivals is 66.
A: A statistics professor finds that when he schedules an office hour for student help, an average of 3…
Q: This problem involves students who have taken Calculus in high school. Assume that 25 percent of…
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Q: According to a 2018 survey, 74 percent of employed young adults expect to bring work on a vacation…
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Q: The USDA reports that 31% of four-member households spend less than $100 per week on groceries.…
A: Given p=31%=0.31 n=600 Here, the sample size is large. Hence, we can use normal approximation.…
Q: The centers for disease control reported that 16% of college aged individuals used vapes in…
A: Given information Probability of using vapes = 0.16 No of individuals n = 750 Probability that less…
Q: Approximately 10.3% of high school students drop out of school before graduation. From a random…
A: Let p be the probability of high school students drop out of school before graduation n=Sample X…
Q: The probability that an athlete finishes a triathlon is 0.66. What is the probability that no less…
A: Introduction: Denote p̂ as the sample proportion of triathletes who will cross the finish line,…
Q: If 11 seeds are planted, what is the probability that exactly 4 don't grow?
A:
Q: It is estimated that 25% of the athletes competing in a large tournament are users of an illegal…
A: Given that : 25% of the athletes competing in a large tournament are users of an illegal drug to…
Q: three out of four university students under 25 years old have eaten eggs for breakfast. If a random…
A: Solution: Given data: Probability, P = 3/4 = 0.75 Sample size (n) = 20 To find : the probability…
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- According to the Center for Disease Control (CDC), the percentage of boys who are diagnosed with autism by the age of 8 is 2.7%. If 300 boys under the age of 8 are randomly selected, find the probability that the average of them being diagnosed with autism is less than 2.8%.Assume that 65% of the geology student going for the geological fieldwork study the field rock classification identification chart. However, unfortunately, only 75 % of these can identify all the rocks. But 10% of those who do not study the chart and rely only on class lectures can identify all the rocks. What is the probability that someone who can identify all the rocks studies the chart?According to TMUSS Quarterly (Totally Made-Up Sports Statistics) April 2017, the probability that the Tampa Bay Buccaneers defense will have 3 or more sacks in the game is 0.03. The probability that the Bucs will both score a touchdown on their opening drive and have 3 or more sacks in the game is 0.33. The is the probability that they will either score a touchdown on the opening drive or have 3 or more sacks in the game is 0.16. What is the probability that the Bucs will score a touchdown on their first drive? Answer in decimal form. Round to two decimal places as needed. Your Answer: Answer
- Given 40% of American college students fail to earn a degree and 32% of college students that do earn a degree don’t use their degree for their job answer the following questions. Find the percent of individuals that start college that obtained a college degree that use their degree for their job. Find the probability that at least 10 students in a class of 36 will not get a degree.An insurance company reported that 75% of adults stated they are distracted by their smart phone while driving. If eight Odell drivers are randomly selected, determine the probability that exactly 6 of them are distracted by their smart phone while driving .This problem involves students who have taken Calculus in high school. Assume that 10 percent of students have taken calculus in high school. Of those who have taken calculus in high school, 70 percent plan to major in science. Of those who did not take calculus in high school, only 35 percent plan to major in science. What is the probability that a randomly selected student plans to major in science?
- An economics professional body estimates that 80% of the students taking undergraduate economics courses are in favour of studying of statistics as part of their studies. If this estimate is correct, what is the probability that more than 790 undergraduate economics students out of a random sample of 1000 will be in favour of studying statistics?This problem involves students who have taken Calculus in high school. Assume that 35 percent of students have taken calculus in high school. Of those who have taken calculus in high school, 75 percent plan to major in science. Of those who did not take calculus in high school, only 20 percent plan to major in science. What is the probability that a randomly selected student plans to major in science?A software engineer receives a notification anytime a customer sends a crash report. Suppose the software crashes 2% of the time and there are 80 customers who use the software daily. What is the probability that the software engineer receives zero crash reports on any given day?
- at a university, 60% of the 7400 students are female. the student newspaper reports results of a survey of a random sample of 200 students about various topics involving alcohol abuse, such as participation in binge drinking. find the probability that between 50 and 60 percent of students in a random sample of 200 are female.If a seed is planted, it has a 70% chance of growing into a healthy plant.If 11 seeds are planted, what is the probability that exactly 1 doesn't grow?A recent survey found that 60% of all adults wear sunglasses for driving. In a random sample of 10 adults, what is the probability that at least seven wear sunglasses?