sold 20% of mangos are too large to be sold find p for a randomly chosen mango to be the right size to be sold
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- Bootstrap Sample Here is a random sample of taxi-out times (min) for American Airlines flights leaving JFK airport: 12, 19, 13, 43, 15. For this sample, what is a bootstrap sample?Create a random variable problem. Give the sample space and values of the random variable then compute the probabilities of each of the values of the random variable. Write your answer on the space provided. Criteria: Content - 8, Originality -4, Grammar - 3 (20239332 a)9dTires A tire manufacturer believes that the treadlife of itssnow tires can be described by a Normal model with amean of 32,000 miles and standard deviation of2500 miles.a) If you buy a set of these tires, would it be reasonablefor you to hope they’ll last 40,000 miles? Explain.b) Approximately what fraction of these tires can beexpected to last less than 30,000 miles?c) Approximately what fraction of these tires can beexpected to last between 30,000 and 35,000 miles?d) Estimate the IQR of the treadlives.e) In planning a marketing strategy, a local tire dealerwants to offer a refund to any customer whose tiresfail to last a certain number of miles. However, thedealer does not want to take too big a risk. If the dealeris willing to give refunds to no more than 1 of every25 customers, for what mileage can he guarantee thesetires to last?
- Choose the best response to each item If an organization wants to test whether the majority of their employees would be interested in on-site childcare, what type of analysis would they use? multinomlal test of proportions binomlal test of proportions O analysis of varlance O Tukey post hoc If Wally World Amusement Parks claims that 5 of all the rides in all their parks are suitable for children under 36 inches tall, 3 are suitable for people at least 40 inches tall, and 2 are thrill rides only for people at least 50 Inches tall, the alternative hypothesis would be that the true proportions are different than what Wally World clalms. True O False Wendy and Marty Byrde and their two children Charlotte and Jonah visit Wally World of the Ozarks amusement park. The Byrde famly enjoys thrl rides, and they don't think that the park offers very many. They disagree with Wally World's assertion that the proportion of rides is that Sis suitable for all heights, 3 for people at least 40 inches…Draw 4) A study of dog obedience training was completed. 40 dogs were trained using the K9 Complete Program. It was found that their mean skill value increased by 1 points (on a 10 point scale) after participating in the 6-month program. Statistical analysis was used to find that the likelihood of these results by chance is 1 out of 1000. Use sentences to explain each answer below. a) Do these results have statistical significance? Yes or No (circle one choice) Explain why this data has or does not have statistical significance. b) Do these results have practical significance? Yes or No (circle one choice) Explain why this data has or does not have practical significance.Can someone please help? Thank you.
- Please don't provide handwriting solutionOnline customer service is a key element to successful online retailing. According to a marketing survey, 30% of online customers take advantage of the online customer service. Assume the population proportion of those who use online customer service is 0.30. Random samples of 100 customers are selected. 95% of the sample proportions centered symmetrically about the sampling distribution mean will be between _________________ and _________________.A gambler rolls a die to determine whether or not it is fair. A fair die is one that does not favor any of the 6 numbers. Test at 5% significance to see if the die is weighted. Round to the fourth as needed. Observed Expected Categories Frequency Frequency 1 52 2 59 48 4 68 63 56 Test Statistic: Degrees of Freedom: p-val: 3.
- Higher power in a hypothesis test for one sample mean is likely to be associated with Multiple Choice larger n. larger σ. smaller α.ZOC Page < 8 of 8 shape: shape: shape: 4. Owning a Pet. Sixty-eight percent of U.S. households own a pet, according to the 2017-2018 National Pet Owners Survey conducted by the American Pet Products Association (APPA). a. If 20 households are selected at random, let X be the number of households who own a pet. Determine if this is a binomial problem. Identify the number of trials, n, and the probability of success, p, for this problem: 1. 2. 3. 4. X~Binomial ( n =. b. Using excel, construct the probability distribution for this data. c. Find the probability that more than 10 of the 20 households have pets. P( d. Find the probability that less than 5 or more than 15 of the 20 households have pets. P( e. Find the probability that between 6 and 14 of the 20 households have pets. P( f. mean Interpretation: for the distribution tells us:Pls send me solution fast within 10 minutes Solution must be in typed form I will rate instantly for sure
