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A researcher hypothesized that the average number of sports that colleges offer for males is greater than the average number of sports that colleges offer for female. At α = .10 is there enough evidence to support the claim?
Males: Average = 8.6 standard deviation = 3.3 n=50
Females: Average = 7.9 standard deviation = 3.3 n=50
What is the probability that the die shows an odd number OR a number greater than 5 on top?
a club has 200 members 45 of whom are lawyers 38 of the memebres are liars while 132 are neither lawyers nor liars.
Suppose that a sample of 10 commuters is selected, what is the probability that at most 3 of them listen to audiobooks?
In a survey about soft drinks it was found that 5% of the respondents like diet soft drinks. 12% of them liked the brand Coke. Of all the Diet soda drinkers 40% liked Coke.
traditionally the average price of homes sold in a medium size city in canada was 220000. a random sample of 81 homes
Assuming the executives were a simple random sample of all such executives, construct and interpret the 90% confidence interval for the population proportion who were monetarily harmed by computer viruses that year.
the summary statistics for sale price and living area are listed below. the correlation between sale price and living
What is the correlation between CO2 and Temperature?- Explain the meaning of R-squared in this context.- Give the regression equation.
production engineers at sinotron believe that a modified layout on its assembly lines might increase average worker
What is the probability that a golfer selected at random will complete at least 2 rounds of golf on his or her next outing?
there are 3 coins in a box. one is a two-headed coin another is a fair coin and the third is a biased coin that comes
Explain what range of scores would contain 68% of data. What percent of scores should fall between 60 points and 84 points and why?
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