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In a sample of 61 randomly seldom selected students, 31 flavored the amount being budgeted for next years intramural and interscholastic sports. Construct a 98% confidence interval for the proportion of all students who support the proposed budget amount.
Upper limit?
Lower limit?
it is known that the number of people who enter a bank during a time interval of t minutes is a poisson random variable
question 1a biostatistician finds the relationship between the number of weeks x spent in a hospital and number of
Data are recorded on effects of each drug. Is research division by using dependent or independent samples? Explain why?
How large should the sample size be if she wishes to be accurate within $0.10. A previous study showed that the standard deviation of the price was $.12.
the birth weights for twins are normally distributed with a mean of 2353 grams and a standard deviation of 647 grams.
Interstate 90 is the longest of the ease-west U.S. interstate highways with its 3,112 miles stretching from Boston, MA at I-93 on the eastern end to Seattle
suppose you have a histogram that shows relative frequency. how do you calculate the proportion of the sample that lies
Find the probability that exactly 15 flights arrive on time.
What is the probability that the sample proportion is less than 0.5? What is the upper limit of the sample proportion such that only 3%of the time the sample proportion would exceed this value
What is the probability that an employee selected at random will need either corrective shoes or major dental work?
Data on distribution of cost for building effort, design work and testing effort.
according to u.s. news amp world report data in 1995 tuition costs at indiana university a public university were 2984
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