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Organize the ratio scores below in a table showing simple frequency, relative frequency, and cumulative frequency. 49 52 47 52 52 47 49 47 50 51 50 49 50 50 50 53 51 49
q1. consider a standard deck of cards that has 26 red cards and 26 black cards. find the probability of
New car manufacturer claims that miles per gallon for gas consumption is mound shaped and symmetric with a mean of 25.9 mpg with a standard deviation of 9.5 mpg.
A snack company distributes chips in bags labeled 6 ounces. The local Bureau of Weights and Measures randomly selects 50 bags of chips and obtains a sample mean of 5.9 ounces.
Using α = 0.05, does this sample provide enough evidence to conclude that the average utility bill in Delaware was lower in the winter of 2011-2012 than it was in the winter of 2010-2011?
Computing the Z scores for the given data and evaluate µ and σ for the population.
if you had the chance to set up a simple experiment at your workplace to test a hypothesis would you have your research
Using excel, construct a 90% confidence interval for the proportion of musicians who began playing while in elementary school.
according to the national health and nutrition examination survey published by the national center for health
Suppose it is known that if you offer free samples o a product, at least 52% of adults are more likely to buy the product. You interview a random sample of 50 adults.
What are the advantages of ANOVA over the mean test and what are the disadvantages? Where would I use this in my everyday life?
professor fair believes extra time does not improve grades on exams. he randomly divided a group of 300 students into
If the process mean remains at 12.05 oz, what must the standard deviation be so that 99% of the cans will contain 12 oz or more?
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