Mathematics, 07.05.2021 09:40 ramosramos142
2. A poll asks a random sample of 500 parents whether they prefer traditional public schools or
charter schools for their children. Suppose that 30% of parents in the population prefer charter
schools.
a) What is the mean of the sampling distribution of p, the proportion of adults in the
samples of 500 who prefer charter schools?
b) What is the standard deviation of p?
c) What is the probability that more than 35% of the sample are in favor of charter schools?
Answers: 1
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Daniel bought a computer game for $25 and later sold it to thomas for a 40% profit. how much did daniel sell the computer game for?
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Mathematics, 21.06.2019 22:00
Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.
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2and 3 are angles. complementary vertical congruent supplementary
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7x^2-9x+5=0 find the discriminant and number of real solutions
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2. A poll asks a random sample of 500 parents whether they prefer traditional public schools or
ch...
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