Statistics question and answers for October 12, 2023
- Q A TV executive is interested in the popularity of a particular streaming TV show She has been told that a whopping 68 of American households would be interested in tuning...
- Q At a recent meeting at the American College of Asthma Allergy and Immunology researchers reported that allergy vaccinations are effective in treating sinusitis inflammation of the membrane lining the facial...
- Q For admission to graduate school Jina is taking the French subject matter test and Lucy is taking the physics subject matter test Jina scored 531 on the French test and...
- Q Caucasian Hispanic D Other Expected count 535 92 Deviation 15 92 Chi square 0 47294 Observed count 55 Expected count 49 91 Deviation 5 09 Chi square 0 51922 98...
- Q 13 The Lumberjack Hardware store found that 7 out of every 10 hammer drills they recently received were not properly assembled If they received 325 hammer drills about how manyjammer...
- Q How much money does the average professional hockey fan spend on food at a single hockey game That question was posed to 10 randomly selected hockey fans The sampled results...
- Q Determine the critical value 2 2 that corresponds to the given level of confidence rounding to two decimal pla 86 OA 1 16 B 1 08 OC 0 81 OD...
- Q It is thought that not as many Americans buy presents to celebrate Valentine s Day anymore A random sample of 4000 Americans yielded 2200 who bought their significant other a...
- Q A computer package was used to generate the following printout for estimating the sale price of condominiums in a particular neighborhood A friend suggests that the mean sale price of...
- Q e If you concluded that marriage status and employment status in men are associated does that imply potential partners preferentially seek out employed men If you failed to conclude they...
- Q 16 Given that the degrees of freedom for the appropriate t procedure is approximately 12 what is a 95 confidence interval for High Low hint 20 6 21 1 7...
- Q 1 A used car dealer says that the mean price of used cars sold in the last 12 months is at least 21 000 You suspect this claim is incorrect...
- Q 12 6 points Find the absolute extrema value on 0 00 for f x x 6x 8
- Q A binomial experiment with probability of success p 0 45 and n 5 trials is conducted What is the probability that the experiment results in exactly 4 successes Do not...
- Q Maya runs a large animal shelter At Maya s shelter the length of stay for puppies has a mean of 85 days and a standard deviation of 11 days The...
- Q Adult male chimpanzees in Gombe National Park have a population variance for weight of 132 3 kg2 In this national park chimpanzee populations are healthy and well protected Recently a...
- Q The batteries from a certain manufacturer have a mean lifetime of 860 hours with a standard deviation of 90 hours Assuming that the lifetimes are normally distributed complete the following...
- Q If b 3 X is 5 and Y is 10 what is the value of the constant O 5 5 0
- Q rete random variable X is the number of students that show up for Professor Smith s office hours on Monday afternoons The table below shows the probability distribution for X...
- Q Ephemeral Services Corporation ESCO knows that nine other companies besides ESCO are bidding for a 900 000 government contract Each company has an equal chance of being awarded the contract...
- Q The trade magazine QSR routinely checks the drive through service times of fast food restaurants A 90 confidence interval that results from examining 568 customers in Taco Bell s drive...
- Q Here are three histograms 60 50 40 30 20 10 0 Histogram A TH 0 2 4 6 8 10 12 14 16 18 20 22 24 60 50 40...
- Q The total blood cholesterol level was measured for each of 20 adults Here are the 20 measurements in 134 138 154 158 166 166 177 179 179 181 193 193...
- Q d Could we have computed the confidence intervals in parts a c if the population had not been normally distributed O A No the population needs to be normally distributed...
- Q In a survey conducted by a reputable marketing agency 268 of 1000 adults 19 years of age or older confessed to bringing and using their cell phone every trip to...
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