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Your statistics instructor claims that 60% of students that take her Elementary Statistics class go thru life feeling more enriched. You believe the actual number of students that took her Elementary statistics class that feel more enriched is less than 60%. You decide to check her conjecture by randomly survey 64 of her past students. In your random survey of 64 of her previous students 33 of the students felt more enriched. At a significance level of 5% does the data support your belief?
Sports and Leisure Consider a regular deck of 52 playing cards. For a five-card poker hand, find the probability of One pair.- Two pairs.
Use Hypothesis testing to compute te correlation between these two variables and these it for significance. Test at .01 level of significance.
Find the median value for the dataset.- Find the values of the lower and upper quartiles.- Find the value of the interquartile range (IQR).
A consumer group that surveyed a large number of air travelers found that only 103 of 122 people who lost luggage on that airline were reunited with the missing items by the next day. Does this cast doubt on the airline s claim? Explain.
A group of sheep, infested with tapeworms, are randomly divided into two groups as follows. Each sheep is assigned a number (1 through 20) and then 10 numbers
1.incomes in a certain town are strongly-right skewed with mean 36000 and standard deviation 7000. a random sample of
The probability that an American CEO can transact business in a foreign language is 0.2. Ten American CEO's are chosen at random. b) what is the probability that at least two can transact business in a foreign language?
production engineers at sinotron believe that a modified layout on its assembly lines might increase average worker
let x be a random variable that represents the amount of a randomly selected monthly cell phone bill. we know that x
In a recent survey, 80% of the citizenry in a community favored the building of a municipal golf course. If you ask 15 citizens about this project, find the probability that
the data below are yields for two different types of corn seed that were used on adjacent plots of land. assume that
consider the following data set and fill in the blanks in the statements below1.5 2.9 4.9 6.5 6.9 7.0 7.0 7.6 7.7
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