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Several anthropology students are unprepared for a surprise true false (50%/50% chance) test with 14 questions and all the answers are guesses.
Find the mean for the number of correct answers for such students round answer to one decimal place
Find the standard deviation for the number of correct answer for such students round to two decimal places
Give the range for the usual number of correct answers (inner answer as an interval using square brackets only with whole numbers)
Would it be unusual for a student to pass by guessing and getting at least nine correct answers?
Is it reasonable to conclude that heart or respiratory diseases were the cause of approximately 33% of U.S. deaths in 2003?- What percent of deaths were from causes not listed here?
suppose the conditional distribution of y given x x is gamma with ? 4 and ? 1x and the marginal distribution of x is
explain the purpose of a null hypothesis. why are both a researchalternative hypothesis and a null hypothesis
Explain how the mean of the original population affects the location of the sampling distribution of the sample mean.
How many would you expect to say that CFCs are not the main cause of the greenhouse effect, assuming the percentage remained the same?
(i) Construct a frequency distribution & relative frequency distribution for the above data with 7 classes.
Effects of class size Do smaller classes in elementary school really benefit students in areas such as scores on standardized tests, staying in school.
a test score of 84 was transformed into a standard score of -1.5. if the standard deviation of test scores was 4 what
Suppose six tennis balls will be used in a tournament game. What is the probability that exactly one will not meet ITF diameter specifications? Assume independence.
Scrabble In the game of Scrabble, each player begins by drawing 7 tiles from a bag containing 100 tiles. There are 42 vowels, 56 consonants, and 2 blank tiles.
sometimes data does have a huge difference and mean is still the best way to find the central point. for example.
Candidate A is running for president of the student government at a large university.
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